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NT

Assessment ID
330420
Taxon name
Indigofera oblongifolia
Forssk.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Indigofera oblongifolia
Forssk.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
magnoliopsida
Order
fabales
Family
fabaceae
Genus
Indigofera
Species
oblongifolia
Species authority
Forssk.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Qualifying criteria (if given)
B1b(iii)
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This species occurs in protected areas and is also able to persist in disturbed areas. It is salt-tolerant and seems to persist in unfavourable conditions, despite being described as rare. It has a restricted distribution with an estimated extent of occurrence (EOO) of 887 km<sup>2</sup>. In addition, it is thought to be experiencing an ongoing decline of extent and quality of habitat due to coastal development. The number of threat-based locations within which this species occurs is currently unclear. Therefore, it is assessed as Near Threatened.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
This species occurs along the eastern coast of the UAE (Jongbloed et al. 2003, MEW 2010). The estimated EOO for this species is 887 km<sup>2</sup>. Globally, this species occurs from western tropical Africa to the Arabian Peninsula and the Indian subcontinent (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This species is a perennial shrub which is found growing in sand and gravel plains (Mahmoud et al. 2018), in addition to disturbed areas such as abandoned fields and roadsides (Jongbloed et al. 2003, MEW 2010). It is described as being a xerohalophyte: a salt-tolerant desert growing species (Ghazanfar and Fisher 1998, Böer and Saenger 2006). This plant has woody stems and can grow up to 1.0 m in height, producing red flowers streaked with yellow between February and April (Jongbloed et al. 2003). Indigofera oblongifolia is also a crop wild relative of indigo, Indigofera tinctoria (Kameswara Rao 2010).
Threats and conservation measures listed
Threats listed in assessment
This species may have been negatively impacted by ongoing development along the east coast of the UAE.
History
There was less coastal development occurring in 1996 compared to now, and so it is deemed that it would have been Least Concern in 1996.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330391
Taxon name
Valantia hispida
L.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Valantia hispida
L.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
magnoliopsida
Order
gentianales
Family
rubiaceae
Genus
Valantia
Species
hispida
Species authority
L.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
In the UAE, this species is restricted to the Ru'us al-Jibal. The extent of occurrence (EOO) is highly restricted, at less than 200 km<sup>2</sup>. The AOO is a maximum of c. 180 km<sup>2</sup> but is likely to be very much less. The species is likely to be subject to grazing by livestock and feral animals, however the impact of this threat on the species is uncertain. In natural habitats, the species is generally found as single plants and the overall population size is restricted, however it may be overlooked. The species has been found recently to be more common in agricultural areas, however in natural habitats it is very much less frequently found. Whilst there is insufficient information on the plant in natural habitats, the species is precautionary assessed as Near Threatened on the basis of its known restricted EOO and suspected restricted AOO, although the number of locations (based on occurrence in natural habitats exceeds ten). It is possible that the number of mature individuals may also be restricted, and the species may also qualify as threatened or Near Threatened under criterion D.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
In the UAE, this species is restricted to the Ru'us al Jibal (Jongbloed et al. 2003), where it was first recorded for the UAE at Wadi Beh (Böer and Chaudhary 1999). Feulner (2011) recorded the species from c. 250 m to at least 1,200 m elevation in wadis. Shahid (2017) recorded the species from Wadi Ghalilah (Ra's al-Khaimah). The EOO, based on the map from Jongbloed et al. (2003) and the records from Shahid (2017), is highly restricted, at less than 200 km<sup>2</sup>. The AOO is a maximum of c. 180 km<sup>2</sup> but is likely to be very much less. The global range of this species is circum-Mediterranean, extending to north-east Africa, through much of the Arabian Peninsula, and on to Iran and Iraq (Plants of the World online, Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
The species is found in wadi environments (Feulner 2011) and agricultural areas.
Threats and conservation measures listed
Threats listed in assessment
The species is likely to be a component of livestock grazing.
History
It is likely that that distribution and population in natural habitats would have been similarly restricted in 1996.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330307
Taxon name
Haloxylon persicum
Bunge ex Boiss. & Buhse
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Haloxylon persicum
Bunge ex Boiss. & Buhse
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
magnoliopsida
Order
caryophyllales
Family
amaranthaceae
Genus
Haloxylon
Species
persicum
Species authority
Bunge ex Boiss. & Buhse
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Qualifying criteria (if given)
B1a
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This species occurs in a distinct, restricted area within the UAE, with an estimated extent of occurrence (EOO) of 2,322 km<sup>2</sup>: this estimate falls within the threshold for threatened categories under Criterion B1. However, it occurs in at least two protected areas, with a significant part of its range occurring within the Al Ghada Protected Area. Based on the ongoing threats of grazing and development, this species is considered to occur in 10-15 locations, and also experiences ongoing habitat decline outside of its protected area range. Therefore, it is currently assessed as Near Threatened.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
Within the UAE, this species is restricted to an area from southern Abu Dhabi (including Al Wathba Wetland Reserve), west towards Tarif (Aspinall and Hellyer 2003, Böer and Saenger 2006). It is also recorded from the Al Ghada Protected Area within Abu Dhabi Emirate. The estimated Extent of Occurrence (EOO) for this species is 2,322 km<sup>2</sup>. Globally, this species is native to Egypt, the Arabian Peninsula and temperate Asia (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This small tree species grows on sand sheets and sand dunes (Böer and Saenger 2006). It can reach heights of 3 m and has fleshy branches with drooping shoots, giving an appearance similar to a weeping willow (Jongbloed et al. 2003). It produces yellow winged fruits and flowers between February and May (Jongbloed et al. 2003).
Threats and conservation measures listed
Threats listed in assessment
Grazing by camels, in addition to ongoing development, threatens this species outside of protected areas.
History
This species would have been of a lower threat category in 1996 due to occupying a larger area. However, its distribution has now declined due to ongoing coastal development.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330276
Taxon name
Koelpinia linearis
Pall.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Koelpinia linearis
Pall.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
magnoliopsida
Order
asterales
Family
asteraceae
Genus
Koelpinia
Species
linearis
Species authority
Pall.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This species is thought to be rare in the UAE, and it appears to be restricted to specific habitats, with an extent of occurrence of less than 1,000 km<sup>2</sup> and an area of occupancy that is assumed to be very much less than 500 km<sup>2</sup>. The species is assessed as Near Threatened on the basis of its restricted EOO and AOO, however the number of locations is presumed to exceed ten, but is restricted as a result of its habitat requirements.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
Within the UAE, this species has been recorded from Jebel Hafeet and Ru'us al-Jibal (Jongbloed et al. 2003, MEW 2010), and from Jebel Huwayyah in Oman. Feulner (2011) notes that the species appears to be limited to areas of carbonate bedrock, specifically, the Ru'us al-Jibal and intermittent mountain front ridges and massifs such as Jebel Hafeet. Based on currently known data, the extent of occurrence is estimated to be less than 1,000 m<sup>2</sup>. Globally, the native range of this species spans from the Mediterranean and northern Africa to the Arabian Peninsula and central Asia (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Incomplete
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This annual herb can grow up to 0.3 m in height, producing pale yellow flowers on long stalks between February and April (Jongbloed et al. 2003, Norton et al. 2009). The fruit is distinctive in appearance, curved in a claw and star shape with hooked hairs. This facilitates dispersal by clinging to hair and fur of other species (Jongbloed et al. 2003). Koelpinia linearis is considered to be a halophyte i.e. salt-tolerant plant (Böer and Saenger 2006) and is typically found growing within silt environments among rocky hillsides, in addition to sand and gravel plains (Jongbloed et al. 2003).
Threats and conservation measures listed
Threats listed in assessment
There is no information available.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330270
Taxon name
Calendula arvensis
L.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Calendula arvensis
L.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
magnoliopsida
Order
asterales
Family
asteraceae
Genus
Calendula
Species
arvensis
Species authority
L.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Qualifying criteria (if given)
A2a
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This species, although being described as 'not common' or 'occasional', is considered to be a weed in certain habitats. The species is known to have declined over time as a result of changing rainfall patterns. It is known to survive within both disturbed areas and at a wide range of altitudes. The species is Near Threatened because of a population decline (approaching 30%) over the last ten years.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
This species is widespread in the Hajar Mountains and Ru'us al-Jibal (Jongbloed et al. 2003). This plant species can be found in silt and fallow fields up to 1,200 m and above (Feulner 2011). However, it is also recorded at lower elevations within montane areas too (Feulner 2011). The global distribution of this species is in Macaronesia, Europe to the Mediterranean and West Himalaya, and the Arabian Peninsula (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This is an annual herb species which produces yellow flowers from January to March (Jongbloed et al. 2003, Norton et al. 2009). It grows to heights of up to 30 cm and typically occurs in silt substrate between rocks in montane areas (Jongbloed et al. 2003). This species can be found in sandy and gravelly habitats, wadis, plantations and fallow fields (MEW 2010, Feulner 2011). It is sometimes considered as a weed of disturbed areas and silty depressions within its habitat (Norton et al. 2009). It is highly rain-dependent.
Threats and conservation measures listed
Threats listed in assessment
Grazing by goats may affect this species in parts of its range (Shahid 2017). Declining rainfall is thought also be causing declines.
History
This species is considered to have become much less common due to decreasing frequency of wet years. In addition, increasing grazing may have contributed to population declines since 1996.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330129
Taxon name
Avicennia marina
(Forsk.) Vierh.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Avicennia marina
(Forsk.) Vierh.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
magnoliopsida
Order
lamiales
Family
acanthaceae
Genus
Avicennia
Species
marina
Species authority
(Forsk.) Vierh.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Qualifying criteria (if given)
B2ab(iii)
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This species is assessed as Near Threatened due to its restricted distribution. The AOO is estimated at close to 150 km<sup>2</sup> and there is still ongoing development of coastal areas within the UAE, however, the number of threat-based locations is estimated to be greater than 10. Although this species represents the dominant mangrove species and the area of mangrove habitat has actually increased in the UAE within the last 10-20 years, mangroves are still at risk from intensive coastal development. In addition, these trees have important economic and ecological value in terms of providing habitats to other species and tolerating extreme conditions. It is recommended that more of these habitats are designated as protected areas, along with ongoing planting strategies.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
This species occurs across the coast of Abu Dhabi and other areas of the UAE, including off-shore islands (Sakkir et al. 2017). The distribution consists of discontinuous patches along the coastline which is likely the result of coastal development (Sakkir et al. 2017). Within Abu Dhabi alone, this species is estimated to cover an area of 40 km<sup>2 </sup>(Saenger et al. 2004). Throughout the UAE as a whole, there are considered to be 60-70 km<sup>2</sup> of natural mangroves, and slightly over 150 km<sup>2</sup> of mangroves when including planted individuals (EAD 2014, H.S. Das pers. comm. 2019). The number of threat-based locations for this species is estimated to be greater than 10 due to multiple patches existing along the UAE coastlines. Its native range extends across the tropical and subtropical Old World (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This mangrove species typically along the coast of the UAE in estuaries, sheltered bays and creeks (Norton et al. 2009, Beech 2009). It is characteristic of the tidal zone, muddy inlets estuaries and shallow lagoons (Patzelt 2015). Avicennia marina is currently the only species of mangrove to grow naturally within the Arabian Gulf (Böer and Saenger 2006, Zander and Bruckner 2005). It is highly tolerant towards high temperatures in addition to salinity (Beech 2009) and has been described as a 'notoriously tolerant' species (Feulner 2000). However, this species shows increased growth in lower salinity levels (Llewellyn-Smith 2011). Individual trees have been recorded to grow up to 8 m in height, but typically grow to around 4-5 m (Aspinall et al. 1995, Perry 2008). The mangrove flowers between May and June and begins to bear its almond shaped, pale green fruit from September (Jongbloed et al. 2003, Saenger et al. 2002). Holes in the trees of this species provide a home for kingfishers, Limonium axillare (Aspinall et al. 1995). They are also associated with the macrophytic green algae genus Enteromorpha (Ghazanfar and Fisher 1998). It also provides habitats for fish and crustaceans, in addition to breeding habitats for other species of bird (Perry 2008).
Threats and conservation measures listed
Threats listed in assessment
Mangrove habitats used to be much more widespread in the UAE than they are currently (Hogarth and Beech 2001). These populations were depleted through using the wood of the trees for architecture and for building boats (Hogarth and Beech 2001). These trees are grazed by camels which can reduce their overall height (Karim and Dakheel 2006), however this is not thought to be a major threat as these trees are not though to be very palatable to animals (Norton et al. 2009). Expansion of coastal areas for public recreation will threaten this species as the coastline is converted from natural habitats (Ghazanfar and Fisher 1998). Losses in mangrove habitat area from several of the Emirates have been noted in the past two decades, due to land use change and development (Moore et al. 2013). In addition, physical removal of mangroves and hydrological changes to these coastal areas as a result of creation of new islands are important threats to the grey mangrove (H.S. Das pers. comm. 2019). However, despite this potential threat, it appears that over the last 10-20 years the UAE's extent of mangrove habitats seems to have actually increased, overall (Moore et al. 2013).
History
This species is still impacted in parts of its rage from coastal development, however, conservation efforts and planting regimes have helped to increase the area occupied by this species in the UAE, in addition to facilitating an overall population increase within the species' historical range.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330108
Taxon name
Halophila stipulacea
(Forssk.) Asch.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Halophila stipulacea
(Forssk.) Asch.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
liliopsida
Order
alismatales
Family
hydrocharitaceae
Genus
Halophila
Species
stipulacea
Species authority
(Forssk.) Asch.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Qualifying criteria (if given)
B2ab(iii)
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This seagrass species occurs along the Arabian Gulf coastline of the UAE, in Abu Dhabi, Dubai and Ras al-Khaimah. The estimated AOO is under 2,000 km<sup>2</sup> and there are considered to be more than ten threat-based locations. Halophila stipulacea is currently undergoing a decline in the extent and quality of its habitat due to multiple threats including oil-related activities, pollution, dredging, coastal development and fishing culture. Therefore, this species is assessed as Near Threatened.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
Within the UAE, this species is known to occur along the Arabian Gulf coast (Phillips et al. 2002). The maximum AOO of this species is estimated to be under 2,000 km<sup>2</sup>, incorporating the area of this species found in Abu Dhabi and Ras al-Khaimah (H.S. Das pers. comm. 2019). Due to the occurrence of multiple seagrass meadows along the UAE coastline, there are estimated to be greater than ten threat-based locations. The native range of this species encompasses Egypt to India and the West Indian Ocean (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This perennial herb is a seagrass species (Norton et al. 2009, Phillips et al. 2002). It can grow at depths between 2-8 m (H.S. Das pers. comm. 2019).
Threats and conservation measures listed
Threats listed in assessment
This species is particularly susceptible to coastal development but can recover quickly if disturbance ceases and conditions improve. It can also be affected by siltation and sedimentation (Short et al. 2010, Erftemeijer and Shuail 2012). In the UAE, the species is impacted by coastal dredging and land reclamation and development, fish trawling activities, oil spills and oil pollution, oil extraction developments, coastal water eutrophication and salinisation (from water desalination plants), siltation, and other forms of pollution (Erftemeijer and Shuail 2012). Given its shallow water habitat, this species may also be threatened by climate change and the associated increase in storm activity, water temperature, and/or sea-level rise (Short et al. 2010).
History
Coastal development within the UAE has been increasing in frequency and intensity since 1996, reducing the extent and quality of available habitat for this species.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330083
Taxon name
Halophila ovalis
(R.Br.) Hook.f.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Halophila ovalis
(R.Br.) Hook.f.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
liliopsida
Order
alismatales
Family
hydrocharitaceae
Genus
Halophila
Species
ovalis
Species authority
(R.Br.) Hook.f.
Taxonomic notes and synonyms listed
This a member of the Halophila ovalis complex, which is under taxonomic review. Historically, other species currently considered to be in this complex may have been labelled as H. ovalis.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Qualifying criteria (if given)
B2ab(iii)
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This seagrass species can be found along the coastlines of Abu Dhabi and Dubai. The estimated AOO is around 3,000 km<sup>2</sup> and it is considered to occur at more than ten threat-based locations. Halophila ovalis is experiencing a continuing decline in the extent and quality of its habitat due to multiple threats, such as dredging of coastlines for artificial island creation, oil related activities, pollution and climate change. Therefore, this species is assessed as Near Threatened.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
Within the UAE, the species is known to occur in Abu Dhabi Emirate (Phillips et al. 2002) in addition to Dubai. The AOO of this species is estimated to be around 3,000 km<sup>2</sup> (H.S. Das pers. comm. 2019). The number of threat-based locations is estimated to be greater than ten, due to the multiple patches of seagrass found along the UAE coastline. The native range of this species spans from the Red Sea area to Madagascar and on to the Pacific (Board of Trustees, RBG Kew 2019).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This plant is a species of seagrass (Phillips et al. 2002). It can grow at depths of up to 14 m (H.S. Das pers. comm. 2019).
Threats and conservation measures listed
Threats listed in assessment
This species is particularly susceptible to coastal development but can recover quickly if disturbance ceases and conditions improve. It can also be affected by siltation and sedimentation (Short et al. 2010, Erftemeijer and Shuail 2012). In the UAE, the species is impacted by coastal dredging and land reclamation and development, fish trawling activities, oil spills and oil pollution, oil extraction developments, coastal water eutrophication and salinisation (from water desalination plants), siltation, and other forms of pollution (Erftemeijer and Shuail 2012). Given its shallow water habitat, this species may also be threatened by climate change and the associated increase in storm activity, water temperature, and/or sea-level rise (Short et al. 2010).
History
Coastal development within the UAE has been increasing in frequency and intensity since 1996, reducing the extent and quality of available habitat for this species.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330035
Taxon name
Eleocharis geniculata
(L.) Roem. & Schult.
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Eleocharis geniculata
(L.) Roem. & Schult.
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Flowering Plants
Kingdom
Plantae
Phylum
tracheophyta
Class
liliopsida
Order
poales
Family
cyperaceae
Genus
Eleocharis
Species
geniculata
Species authority
(L.) Roem. & Schult.
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Qualifying criteria (if given)
B1ab(iii,v)
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This species has a restricted extent of occurrence (EOO) within the UAE and is not considered to be common within this area. The estimated EOO for this plant is around 1,430 km<sup>2</sup>, which falls within the threshold for threatened categories. The species probably occurs in more than ten threat-based locations, but the number of locations is likely to be restricted. Water abstraction and declining rainfall as a result of climate are resulting in population declines. As a result, it is cautiously assessed as Near Threatened due to the restricted distribution within the UAE and declining populations. No regional adjustment is made as the extent of any rescue effect is not known.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
Distribution of this species is recorded from wadis in the Hajar Mountains (Jongbloed et al. 2003, Al Mehairbi et al. 2019). Feulner (2016) did not find the species (as Eliocharis geniculata) in WWNP, but would expect it to be present. The estimated Extent of Occurrence (EOO) of this species is around 1,430 km<sup>2</sup>. Globally, this is a pantropical species (Board of Trustees, RBG Kew 2018).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This is an annual or short-lived perennial species, up to 0.35 m (Jongbloed et al. 2003). It is usually found in moist banks of ponds and wadis (Jongbloed et al. 2003). Brackish marshes and edges of mangrove swamps are typical habitats for this species (Board of Trustees, RBG Kew 2018).
Threats and conservation measures listed
Threats listed in assessment
Declining rainfall and increases in water abstraction in recent years has resulted in population declines (G.R. Feulner pers. comm. 2019).
History
The species is assessed as Least Concern in 1996, as it was much more common at the time.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.
Assessment ID
330018
Taxon name
Ophioglossum polyphyllum
A.Braun
Uploaded by
National Red List Database
Taxonomic information
Scientific name
Ophioglossum polyphyllum
A.Braun
Assessed taxon level
Species
Higher level taxonomic groupings
Plants
Ferns and Allies
Kingdom
Plantae
Phylum
tracheophyta
Class
polypodiopsida
Order
ophioglossales
Family
ophioglossaceae
Genus
Ophioglossum
Species
polyphyllum
Species authority
A.Braun
Location and scope
Specific locality or subnational name or regional name
United Arab Emirates (the)
Scope (of the Assessment)
National
Countries included within the scope of the assessment
United Arab Emirates (the)
Country ISO code(s)
ARE
Does the assessment cover a marine EEZ area(s)?
Not_assigned
Conservation Status
Assessed as
Near Threatened
Abbreviated status
NT
Qualifying criteria (if given)
B1b(iii)
Criteria system used
IUCN

(see Assessment details)

Assessment rationale/justification
This species occurs within sand and coastal habitats in the UAE and has an estimated extent of occurrence of 2,646 km<sup>2</sup>; this falls within the threshold for Endangered under Criterion B. In addition, the species' habitat is declining due to ongoing coastal development, causing the once common species to become less common in its range. However, the number of locations for this species (based on the most plausible threat of habitat degradation) is currently unclear. Therefore, it is currently assessed as Near Threatened.
Assessment details
Year assessed
2019
Assessors/contributors/reviewers listed
UAE National Red List Workshop
Criteria system used
IUCN
Reference for methods given
IUCN. 2012. IUCN Red List Categories and Criteria: Version 3.1, Second edition. IUCN, Gland, Switzerland and Cambridge, UK. iv + 32pp pp. And IUCN. 2012. Guidelines for Application of IUCN Red List Criteria at Regional and National Levels: Version 4.0. Gland, Switzerland and Cambridge, UK: IUCN. iii + 41pp.
Further information
Endemism (according to assessment)
Endemic to region
Not assigned
Taxon distribution as listed in assessment
This plant occurs in coastal areas and in the Hajar Mountains (Jongbloed et al. 2003) and has been found to occur in Wadi Wurayah National Park, Fujairah (Feulner 2016). It also occurs at Jebel Ali along the Arabian Gulf Coast. The estimated EOO of this species is 2,646 km<sup>2</sup>. Globally, Ophioglossum polyphyllum is distributed across Africa and southwest Asia, eastwards to India and southwards to South Africa (Board of Trustees, RGB Kew 2018). In Europe it occurs only on the Canary Islands (Christenhusz et al. 2017). It is also distributed in Central America and Australia (Board of Trustees, RGB Kew 2018).
Is there a map available in assessment?
Yes
Habitat and systems
Ecological system type
Terrestrial
Not_assigned
Freshwater
Not_assigned
Marine
Not_assigned
Habitat
Habitat details as listed in assessment
This perennial fern species is known to grow in open sand habitats and coastal areas (Jongbloed et al. 2003, Rothfels et al. 2012). At higher altitudes, it can grow within silt rather than sand (Jongbloed et al. 2003). It has two or three elliptic leaves growing from the stem in addition to other stem like leaves (Jongbloed et al. 2003). The plant generally appears after periods of rain (Jongbloed et al. 2003).
Threats and conservation measures listed
Threats listed in assessment
This plant is reportedly threatened by development in its coastal habitat range (Jongbloed et al. 2003, Feulner 2016).
History
Coastal development within the UAE has been increasing in frequency and intensity since 1996, reducing the extent and quality of available habitat for this species.
Publication
Allen, D.J., Westrip, J.R.S., Puttick, A., Harding, K.A., Hilton-Taylor, C. and Ali, H. 2021. UAE National Red List of Vascular Plants. Technical Report. Ministry of Climate Change and Environment, United Arab Emirates, Dubai.