A new population of the Critically Endangered Aders’ duiker Cephalophus adersi confirmed from northern coastal Kenya

AbstractAders’ duiker Cephalophus adersi is a small antelope endemic to the coastal forests of east Africa. Threatened by habitat loss and hunting, the species is categorized as Critically Endangered on the IUCN Red List. Until recently Aders’ duiker was known to persist only on Zanzibar, Tanzania, and in the Arabuko-Sokoke Forest National Reserve, Kenya. However, in 2004 a sighting of a single individual was reported from the Dodori forest in northern coastal Kenya, raising the possibility that the species survives elsewhere. Subsequently, an opportunistic camera-trap survey was conducted in September and October 2008 to establish the occurrence of Aders’ duiker in Kenyan coastal forests north of the Tana River. One hundred and fifty six images of Aders’ duikers were obtained from 12 of 28 camera-trap sites (46 of 358 camera-trap days), confirming the existence of a population of Aders’ duiker in the Boni–Dodori forest both inside and outside the National Reserves. In addition, we sighted individuals of the species on three occasions. The relatively high encounter rates per unit effort compared to similar data from Arabuko-Sokoke forest suggest the Boni–Dodori population is significant. Initial surveys of the local Awer community revealed that Aders’ duiker is well known by the name guno. These findings significantly improve the conservation prospects for Aders’ duiker and highlight the need for greater research and management efforts in the poorly known Boni–Dodori forest.

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The decline of the endemic Fijian crested iguana Brachylophus vitiensis in the Yasawa and Mamanuca archipelagos, western Fiji

Oryx ◽

10.1017/s0030605307001639 ◽

2007 ◽

Vol 41 (1) ◽

pp. 44-50 ◽

Cited By ~ 8

Author(s):

Peter S. Harlow ◽

Martin Fisher ◽

Marika Tuiwawa ◽

Pita N. Biciloa ◽

Jorge M. Palmeirim ◽

...

Keyword(s):

Habitat Loss ◽

Forest Fires ◽

Population Decline ◽

Forest Degradation ◽

Iucn Red List ◽

Red List ◽

Critically Endangered ◽

Introduced Predators ◽

Free Ranging

The endemic Fijian crested iguana Brachylophus vitiensis, categorized as Critically Endangered on the IUCN Red List, has been recorded from several islands in western Fiji. We conducted a survey for the crested iguana on 12 uninhabited and five inhabited islands in the Yasawa and Mamanuca archipelagos of western Fiji in September 2000. Night searches for sleeping iguanas along a total of 11.2 km of forest transects suggest that crested iguanas are either extremely rare or extinct on all of these islands. Although we collectively searched a total of 44 km of transect over 123 person hours, we located crested iguanas on only four islands: three small uninhabited islands (all <73 ha) and one large inhabited island (22 km). In July 2003 we resurveyed two islands identified as having the best potential for the long-term conservation of crested iguanas, and found that populations were continuing to decline. We suggest that the scarcity of crested iguanas on all islands surveyed is due to the combination of habitat loss and the introduction of exotic predators. All islands surveyed have free ranging goats, forest fires have occurred repeatedly over the last few decades, and feral cats are established on many islands. To reverse the population decline of this species immediate intervention is required on selected islands to halt continuing forest degradation and to clarify the effects of introduced predators.

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Review of records of sawfishes (Chondrichthyes: Pristidae) from Fiji, with deletion of Pristis zijsron Bleeker, 1851 and Pristis sp. from the fauna

Zootaxa ◽

10.11646/zootaxa.3115.1.5 ◽

2011 ◽

Vol 3115 (1) ◽

pp. 65 ◽

Cited By ~ 2

Author(s):

CLINTON DUFFY ◽

JOHNSON SEETO ◽

TOM TRNSKI

Keyword(s):

Habitat Loss ◽

Threatened Species ◽

Iucn Red List ◽

Red List ◽

Population Trends ◽

Critically Endangered ◽

Northern Australia ◽

West Pacific ◽

Local Extinctions

Sawfishes (Pristidae) are large shark-like batoids with a distinctive flattened, greatly elongated rostrum armed on each side with a row of large transverse teeth. Two genera and at least four species occur in the Indo-West Pacific, of which Anoxypristis cuspidata (Latham, 1794), Pristis microdon Latham, 1794 and P. zijsron Bleeker, 1851 have widespread distributions and P. clavata Garman, 1906 appears to be restricted to northern Australia (Compagno & Last, 1999; Last & Stevens, 2009; Phillips et al., 2011). All sawfishes are threatened by over fishing and habitat loss, with range reductions and local extinctions reported for several species (Simpfendorfer, 2000; Monte-Luna et al., 2007; Last & Stevens, 2009; Wueringer, et al. 2009; Phillips et al., 2011). All Indo-Pacific sawfishes are assessed by the IUCN as Critically Endangered with decreasing population trends (IUCN Red List of Threatened Species, http://www.iucnredlist.org/, 10 Sep. 2011).

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Polystichum dongchuanense and P. menglaense (subg. Haplopolystichum; Dryopteridaceae), two new ferns from Yunnan, China

Phytotaxa ◽

10.11646/phytotaxa.479.1.9 ◽

2021 ◽

Vol 479 (1) ◽

pp. 114-120

Author(s):

ZHEN-LONG LIANG ◽

ZHAO-RONG HE ◽

LI-BING ZHANG

Keyword(s):

New Species ◽

Plant Size ◽

Iucn Red List ◽

Red List ◽

Critically Endangered ◽

Fern Species ◽

Iucn Red List Criteria

Two new fern species, Polystichum dongchuanense and P. menglaense (Dryopteridaceae), are described and illustrated from Yunnan, China. Both are members of P. subg. Haplopolystichum sect. Haplopolystichum. Polystichum dongchuanense is most similar to P. acutidens in plant size and pinna size, but the two can be distinguished from each other by pinna serration and soral number on pinnae. Polystichum menglaense is most similar to P. deltodon in plant size, but the two are different in pinna shape and soral distribution. Both new species have extremely narrow distributions and are classified as Critically Endangered (CR) following IUCN Red List Criteria.

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Eremitis limae (Poaceae, Bambusoideae), a new species of herbaceous bamboo endemic to the Atlantic Forest of Bahia, Brazil

Phytotaxa ◽

10.11646/phytotaxa.454.4.5 ◽

2020 ◽

Vol 454 (4) ◽

pp. 277-284

Author(s):

FABRÍCIO MOREIRA FERREIRA ◽

CASSIANO A. DORNELES WELKER ◽

LYNN G. CLARK ◽

REYJANE P. OLIVEIRA

Keyword(s):

New Species ◽

Morphological Characters ◽

Iucn Red List ◽

Red List ◽

Distribution Map ◽

Coastal Forests ◽

Iucn Red List Categories ◽

Red List Categories ◽

Close Relatives ◽

A New Species

Eremitis limae, a new species of Parianinae (Poaceae, Bambusoideae, Olyreae) endemic to the coastal forests of Bahia, Brazil, is described and illustrated. It is morphologically similar to species of Eremitis with characteristically narrow leaves: E. linearifolia, E. parviflora, and E. riodocensis. We discuss the morphological characters distinguishing the new species from its close relatives, and we also present illustrations, photos, and a distribution map. Eremitis limae is classified as Endangered (EN) according to the IUCN Red List categories and criteria.

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The importance of farmland for the conservation of the brown hyaena Parahyaena brunnea

Oryx ◽

10.1017/s0030605312001007 ◽

2013 ◽

Vol 47 (3) ◽

pp. 431-440 ◽

Cited By ~ 13

Author(s):

Vivien T. Kent ◽

Russell A. Hill

Keyword(s):

Land Use ◽

Protected Areas ◽

Significant Proportion ◽

Camera Trap ◽

Iucn Red List ◽

Red List ◽

Critical Importance ◽

Sufficient Space ◽

Global Population ◽

Near Threatened

AbstractThe conservation of wide-ranging, territorial carnivores presents many challenges, not least the inadequacy of many protected areas in providing sufficient space to allow such species to maintain viable populations. As a result populations occurring outside protected areas may be of considerable importance for the conservation of some species, although the significance of these areas is poorly understood. Brown hyaenas Parahyaena brunnea are categorized as Near Threatened on the IUCN Red List and recent research suggests the species may be particularly vulnerable to habitat loss and the conversion of land to agriculture. Here we report on the population density and abundance of brown hyaenas in an area of commercial farmland in western Botswana. Mean brown hyaena density estimated from camera-trap surveys was 2.3 per 100 km2 and from spoor surveys 2.88 per 100 km2, which are comparable to estimates reported for protected areas. Estimated densities were higher on farms used for livestock production than on those used for game farming, suggesting that the species can tolerate land-use change where reliable alternative food resources exist. Our results indicate that populations of brown hyaenas in non-protected areas comprise a significant proportion of the global population and that such areas may be of critical importance for their conservation.

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Astragalus wulingensis (Leguminosae), a new species from Hunan China

Phytotaxa ◽

10.11646/phytotaxa.159.4.4 ◽

2014 ◽

Vol 159 (4) ◽

pp. 279 ◽

Cited By ~ 2

Author(s):

Jiaxiang Li ◽

Xunlin Yu

Keyword(s):

New Species ◽

Iucn Red List ◽

Red List ◽

Critically Endangered ◽

Hunan Province ◽

Iucn Red List Criteria ◽

Close Relatives ◽

A New Species

A new species of Astragalus Linn. (Leguminosae) from Wuling Mountain of Hunan province, China, Astragalus wulingensis Jia X. Li & X. L. Yu sp. nov. is described, illustrated, and compared with its close relatives. It belongs to section Lotidium Bunge, subgen. Astragalus Bunge. The new species is endemic to Wuling Mountain in NW Hunan Province and has limited populations and vulnerable habitat. Astragalus wulingensis is assessed as Critically Endangered (CR B2c) according to IUCN Red List criteria.

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Distribution and status of the Critically Endangered blond titi monkey Callicebus barbarabrownae of north-east Brazil

Oryx ◽

10.1017/s0030605311000111 ◽

2011 ◽

Vol 45 (3) ◽

pp. 439-443 ◽

Cited By ~ 7

Author(s):

Rodrigo C. Printes ◽

Anthony B. Rylands ◽

Júlio César Bicca-Marques

Keyword(s):

Conservation Status ◽

Iucn Red List ◽

Red List ◽

Critically Endangered ◽

Forest Fragments ◽

Vegetation Types ◽

North East ◽

Area Of Occupancy ◽

Titi Monkey ◽

Iucn Red List Assessment

AbstractThe blond titi monkey Callicebus barbarabrownae lives in forest fragments in the caatinga (tropical thorn scrub and forest) of north-east Brazil. In 2004–2005 we carried out five surveys to determine its current distribution and conservation status; surveying forest fragments, interviewing local people, and recording vegetation types and patterns of land use. The blond titi monkey occurs mainly in Dense Arboreal Caatinga and Highland Coastal Rainforest in the state of Bahia, at elevations of 241–908 m. Its range extends over 291,438 km2, with an area of occupancy of 2,636 km2. Estimated minimum population was 260 individuals. It was not recorded in any protected area. Cattle ranching favours the persistence of forest fragments for this species, whereas agriculture, subsistence or commercial, does not. Our findings supported the IUCN Red List assessment of Critically Endangered for this species.

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Conservation status of Mascarene Amaranth Aerva congesta Balf.F. Ex Baker (Eudicots: Caryophyllales: Amaranthaceae): a Critically Endangered endemic herb of the Mascarenes, Indian Ocean

Journal of Threatened Taxa ◽

10.11609/jott.2402.10.8.12056-12063 ◽

2018 ◽

Vol 10 (8) ◽

pp. 12056

Author(s):

Kersley Bruno Pynee ◽

David Harold Lorence ◽

Poojanraj Khurun

Keyword(s):

Conservation Status ◽

Iucn Red List ◽

Small Population ◽

Red List ◽

Critically Endangered ◽

Native Vegetation ◽

Ecological Studies ◽

Area Of Occupancy ◽

Mascarene Islands ◽

Iucn Red List Criteria

Aerva congesta Balf.f. ex Baker (Amaranthaceae), an endemic of Mascarene Islands (Mauritius and Rodrigues) is assessed for its conservation status. Considering its local extinction in Rodrigues and very small population in Mauritius, in Round Island and at Gris Gris, south of Mauritius its area of occupancy (AOO) is estimated at 8km². Due to its small AOO and threats by increasing native vegetation and alien species, A. congesta is evaluated as Critically Endangered following the latest IUCN Red List criteria. The species needs an urgent well-defined restoration program and ecological studies to prevent its extinction.

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Distribution and composition of Dragonfly and Damselfly species (Odonata) of the upper Rio das Velhas, Ouro Preto, Minas Gerais State, Brazil

Papéis Avulsos de Zoologia ◽

10.11606/1807-0205/2020.60.65 ◽

2020 ◽

Vol 60 ◽

pp. e20206065

Author(s):

Walter Francisco de Ávila Júnior ◽

Gustavo Lisboa Vieira Machado ◽

Frederico Augusto de Atayde Lencioni ◽

Marco Antônio Alves Carneiro

Keyword(s):

Species Richness ◽

Iucn Red List ◽

Minas Gerais ◽

Red List ◽

Water Bodies ◽

Critically Endangered ◽

International Union ◽

Endemic Genus ◽

Minas Gerais State ◽

First Time

This paper describes the composition and distribution of Anisoptera and Zygoptera (Odonata) species of the upper Rio das Velhas in the municipality of Ouro Preto, Minas Gerais State, Brazil. A total of 727 specimens of 40 species were collected near water bodies over a period of 23 months between 2015 and 2017. The families with greatest species richness were Libellulidae (13 species), Coenagrionidae (12 species) and Heteragrionidae and Aeshnidae (4 species each). Notable among the species collected were Perilestes fragilis Hagen in Selys, 1862, inhabiting well-preserved forests, Minagrion waltheri Santos, 1965, pertaining a endemic genus of Brazil and the recently described Heteragrion cauei Ávila-Júnior et al., 2017, and three species recorded for the first time for the state: Elasmothemis alcebiadesi (Santos, 1945); Erythrodiplax melanica Borror, 1942 and Erythrodiplax acantha Borror, 1942, the latter is considered Critically Endangered (CR) by the International Union for Conservation of Nature's (IUCN) Red List.

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Current Status of Threatened Plant Collections in Cibodas Botanical Garden Based on IUCN Red List

Jurnal Penelitian Kehutanan Wallacea ◽

10.18330/jwallacea.2020.vol9iss1pp31-42 ◽

2020 ◽

Vol 9 (1) ◽

pp. 31

Author(s):

Vandra Kurniawan ◽

Dwinda Mariska Putri ◽

Muhammad Imam Surya

Keyword(s):

Threatened Species ◽

Conservation Status ◽

Botanical Garden ◽

Iucn Red List ◽

Red List ◽

Critically Endangered ◽

Current Status ◽

Main Task ◽

Threatened Plant ◽

Plant Collections

One of the main task of Cibodas Botanical Garden (CBG) is to conserve the Indonesian plants species. Moreover, the preservation and enrichment of threatened plant collections based on IUCN red list categories became an important programme for plants conservation in CBG. The aims of this study are to inventory threatened plant collections and to review the status of CBG threatened plant collections. List of threatened plant collections was gathered from SINDATA, a system developed by CBG. The collection, was reviewed by inspecting current collections in CBG. Literature study was done to review the conservation status of the threatened plant collections. The conservation status was checked in IUCN red list website. The results shown that CBG had collected 86 species of threatened plants, which is 13 Critically Endangered (CR) species, 39 Endangered (EN) species, and 34 Vulnerable (VU) species. Critically endangered category consists of 13 species belong to 8 families and 10 genus. Endangered category consists of 39 species belong to 17 families and 34 genus. Vulnerable category consists of 34 species belong to 27 families and 28 genus. The largest collections of threatened species was genus Nepenthes, which is 16% (14 species) from the total threatened species in CBG. Furthermore, CBG had succeeded in collecting 40 species of Indonesian native plants in which Dipterocarpaceae species were dominate the collection with 7 species. These species are listed as critically endangered (3 species) and endangered (4 species).

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