Conservation and ecological interactions of Astragalus bozakmanii Podlech (Fabaceae)

Hoehnea ◽  
2021 ◽  
Vol 48 ◽  
Author(s):  
Ümit Subaşı
Keyword(s):  
Conservation Status ◽  
Field Studies ◽  
Iucn Red List ◽  
Ecological Interactions ◽  
Agricultural Pests ◽  
Endemic Plant ◽  
Conservation Actions ◽  
Iucn Red List Criteria ◽  
Endemic Plant Species ◽  
Number Of Individuals

ABSTRACT Astragalus bozakmanii Podlech, an endemic plant species to Turkey, was investigated to provide an understanding the conservation status of this species and to fill the gap in the knowledge of habitat of this species. Field studies were carried out randomly by sampling 2 × 2 m sizes, 10 quadrats from each region. The number of individuals was estimated by calculating the average individual numbers in small quadrats and extrapolating this result for approximate population area. Reproductive success was evaluated using the mean number of seeds per fruit and the number of ovules per flower. A. bozakmanii prefers saltless soils whose pH values range from 7.48 and 8.33. The seed set was 45.8% of the ovules. In this study, we observed that the flowers of A. bozakmanii were visited by Oxythyrea cinctella to feed on their reproductive parts, thus rendering them infertile. Considering all these findings, the global and national conservation status for Astragalus bozakmanii was assessed as Endangered (EN) B1ab (i, ii, iii) + 2ab (i, ii, iii) according to the new IUCN Red List criteria. In conclusion, appropriate conservation actions need to be developed so that natural enemies of agricultural pests can re-enter their habitats.

scholarly journals A hundred years’ tale: rediscovery of Mollinedia stenophylla (Monimiaceae) in the Atlantic rainforest, Brazil

Oryx ◽  
2017 ◽  
Vol 52 (3) ◽  
pp. 437-441 ◽  
Author(s):  
Elton John de Lírio ◽  
Joelcio Freitas ◽  
Raquel Negrão ◽  
Gustavo Martinelli ◽  
Ariane Luna Peixoto
Keyword(s):  
Conservation Status ◽  
Iucn Red List ◽  
Red List ◽  
Southern Brazil ◽  
Endemic Plant ◽  
Single Population ◽  
Narrow Endemic ◽  
Iucn Red List Criteria ◽  
Endemic Plant Species ◽  
Janeiro State

AbstractThe plant Mollinedia stenophylla Perkins (Monimiaceae) is endemic to southern Brazil and, until 2015, had not been seen for 122 years. We located a single population of the species on the margin of a watercourse in the mountainous region of Rio de Janeiro state. We describe the location of the species, comment on its morphology, ecology and conservation, assess its conservation status, propose conservation measures, and discuss the potential value of local action plans for this and other narrow endemic plant species. Mollinedia stenophylla has whorled leaves, clonal reproduction and a low height, unusual traits in the genus Mollinedia. Using the IUCN Red List criteria we assess the species as Critically Endangered. This example highlights the importance of investing time in plant surveys and taxonomy, especially in megadiverse countries such as Brazil.

Evaluating the conservation status of the Black-fronted Francolin Pternistis atrifrons

2017 ◽  
Vol 28 (4) ◽  
pp. 653-661 ◽  
Author(s):  
KAI GEDEON ◽  
DENNIS RÖDDER ◽  
CHEMERE ZEWDIE ◽  
TILL TÖPFER
Keyword(s):  
Population Size ◽  
Conservation Status ◽  
Field Studies ◽  
Grazing Pressure ◽  
Iucn Red List ◽  
Southern Ethiopia ◽  
Current Conservation ◽  
Area Of Occupancy ◽  
Conservation Actions ◽  
Iucn Red List Criteria

SummaryThe occurrence of the Black-fronted Francolin Pternistis atrifrons is restricted to a tiny area in southern Ethiopia. Based on field studies from 2012 to 2014, we modelled the range and estimated the population size of the species in order to evaluate its current conservation status. Annual mean temperature (relatively low) and precipitation (relatively high) proved to be key factors for the probability of its occurrence. The modelled range is 1,286 km2 (“extent of occurrence” according to the IUCN Red List criteria). However, only about one third of the modelled range is actually populated by the Black-fronted Francolin. This area, around 385 km2, corresponds to the IUCN’s “area of occupancy”. The total population size is estimated at 1,100 to 2,100 mature individuals. Thus, we conclude that the species should be classified as Endangered, criteria: A2c+B1ab(i,iii,v) + B2ab(i,iii,v); population trend: decreasing. This means that the Black-fronted Francolin is one of Africa’s most endangered galliforms. Major threats are range and habitat losses due to agricultural expansion, grazing pressure, commercial firewood and timber exploitation, and hunting. Furthermore, expected climate changes in south-east Ethiopia (higher temperatures, less precipitation) could further exacerbate these threats. We propose urgent conservation actions, including the extension of the currently projected Borana National Park.

scholarly journals Conservation assessment of Aquilegia paui (Ranunculaceae): a case study of an extremely narrow endemic

Oryx ◽  
2011 ◽  
Vol 45 (2) ◽  
pp. 187-190 ◽  
Author(s):  
M. Carmen Martinell ◽  
Jordi López-Pujol ◽  
Cèsar Blanché ◽  
Julián Molero ◽  
Llorenç Sàez
Keyword(s):  
Conservation Status ◽  
Limited Range ◽  
Iucn Red List ◽  
Red List ◽  
Endemic Plant ◽  
Conservation Assessment ◽  
Narrow Endemic ◽  
Conservation Actions ◽  
Endemic Plant Species

AbstractThe extremely rare Aquilegia paui (Ranunculaceae) was described in 1920 but was not found again until 1999, when it was discovered in the Parc Natural dels Ports in Tarragona Province, Spain. This species had been confused with the widespread A. vulgaris and consequently its taxonomic and conservation status had been misinterpreted. Based on the limited range of A. paui and the level of disturbance of its habitat we recommend that it is categorized as Endangered on the IUCN Red List. We summarize the conservation actions available for such extremely narrow endemic plant species and make appropriate recommendations for the conservation of A. paui.

A Neglected New Species of Hymenaea (Leguminosae, Detarioideae) fromthe Brazilian Amazon

2020 ◽  
Vol 45 (1) ◽  
pp. 85-90
Author(s):  
Rafael Barbosa Pinto ◽  
Marcos José da Silva ◽  
Ana Maria Goulart de Azevedo Tozzi ◽  
Vidal de Freitas Mansano
Keyword(s):  
New Species ◽  
Amazon Basin ◽  
Conservation Status ◽  
Field Studies ◽  
Brazilian Amazon ◽  
Iucn Red List ◽  
Amazon Rainforest ◽  
Herbarium Collections ◽  
Iucn Red List Criteria ◽  
A New Species

Abstract—A new species, Hymenaea jeaniana, is described and illustrated. The species is known from one of the best-sampled reserves of Amazon Rainforest, the Reserva Adolpho Ducke, in Manaus, and from protected areas of the municipality of Presidente Figueiredo, in Amazonas, Brazil. Previously, the species has been mistakenly assigned to the circumscription of the morphologically similar H. parvifolia, but differs in certain leaflet, inflorescence, and flower characteristics. The new species has a restricted distribution and is assessed as Endangered following IUCN Red List criteria. Based on herbarium collections and field studies, we present a full species description, an illustration, conservation status, and taxonomic comments. An identification key to the Hymenaea species of Brazil is also provided. There are six species of Hymenaea in the Amazon Basin, including the species described herein.

scholarly journals Habitat associations and conservation status of an endemic forest dwarf chameleon (Bradypodion sp.) from South Africa

Oryx ◽  
2006 ◽  
Vol 40 (2) ◽  
pp. 183-188 ◽  
Author(s):  
Walter J. Reisinger ◽  
Devi M. Stuart-Fox ◽  
Barend F.N. Erasmus
Keyword(s):  
South Africa ◽  
Conservation Status ◽  
Canopy Cover ◽  
Iucn Red List ◽  
Habitat Associations ◽  
Suitable Habitat ◽  
Area Of Occupancy ◽  
Forest Interior ◽  
Forest Remnants ◽  
Iucn Red List Criteria

We quantified habitat associations and evaluated the conservation status of a recently identified, undescribed species of dwarf chameleon, Bradypodion sp. nov. Dhlinza, endemic to scarp forest remnants in KwaZulu-Natal Province, South Africa. At the microhabitat scale the Dhlinza dwarf chameleon was found more often in forest gaps and near paths than highly disturbed edges or forest interior. Chameleon presence was not explained by forest physiognomic variables such as vine cover, shrub and tree density, or canopy cover. Presence near gaps may be better explained by the combined effects of the thermal microenvironment and food availability. The species is moderately common where it occurs, with estimated densities of 4.7, 8.7 and 29.7 individuals per ha within forest interior, edges and gaps respectively. At the landscape scale, the chameleon occurs only in three remnant forests: the Dhlinza, Entumeni and Ongoye Forests. The species' extent of occurrence was estimated to be 88 km2 and its area of occupancy 49 km2. Based on the small area of remaining suitable habitat, this species meets the requirements for categorization as Endangered according to IUCN Red List criteria.

scholarly journals The endemic plant species of Mt Kupe, Cameroon with a new Critically Endangered cloud-forest tree species, Vepris zapfackii (Rutaceae)

Kew Bulletin ◽  
2021 ◽  
Author(s):  
Martin Cheek ◽  
Jean Michel Onana
Keyword(s):  
Endemic Species ◽  
Tree Species ◽  
Cloud Forest ◽  
Conservation Status ◽  
Forest Tree ◽  
Critically Endangered ◽  
Endemic Plant ◽  
Taxonomic Changes ◽  
Mt Kupe ◽  
Endemic Plant Species

SummaryWe revise and update the records of strict and near-endemic species of Mt Kupe, Cameroon respectively from 31 strict endemics in 2004, to 25 today, and with near-endemic species 30, unchanged in number but with turnover. The changes result from new collections, discoveries and taxonomic changes in the last 16 years. While 15 of the provisionally named putative endemic species have now been formally published, a further 18 have not. The majority of the 30 near-endemic species (18) are shared with the adjacent Bakossi Mts, far exceeding the numbers shared with the more distant Mt Etinde-Mt Cameroon, Rumpi Hills and Ebo forest areas (sharing three near-endemic species each with Mt Kupe). We test the hypothesis that a further one of the provisionally named putative Mt Kupe species, Vepris sp. 1 from submontane forest near the summit, is indeed new to science. We compare it morphologically with the two other bicarpellate high altitude Cameroon Highland tree species V. montisbambutensis Onana and V. bali Cheek, concluding that it is a new undescribed species here named as Vepris zapfackii. The new species is illustrated and its conservation status assessed as Critically Endangered using the 2012 IUCN standard, due to habitat clearance from agricultural pressures at its sole location which is unprotected. Vepris zapfackii and V. bali appear unique in African trifoliolate species of the genus in having opposite leaves. Vepris zapfackii differs in having hairy petiolules and midribs and petiolules with the blade decurrent distally, narrowing towards a winged-canaliculate base (vs glabrous and petiolule long, terete), and sparsely golden hairy pistillodes and a glabrous calyx (vs densely black hairy pistillodes, and sepals hairy).

scholarly journals Flueggea acicularis (Phyllanthaceae), a narrow endemic species rediscovered in central China

PhytoKeys ◽  
2021 ◽  
Vol 172 ◽  
pp. 57-66
Author(s):  
Songzhi Xu ◽  
Qiliang Gan ◽  
Lianzhong Fu ◽  
Mingxi Jiang ◽  
Zhenyu Li
Keyword(s):  
Conservation Status ◽  
Field Investigation ◽  
Iucn Red List ◽  
Central China ◽  
Karst Region ◽  
Morphological Description ◽  
Chongqing Municipality ◽  
Iucn Red List Criteria ◽  
First Time ◽  
A New Species

Flueggea acicularis (Phyllanthaceae) is endemic to the karst region of central China. Male specimens of this species were first collected in 1908. In 1989, female plants of F. acicularis were found for the first time, but misidentified as a new species. Throughout this period the male plants of F. acicularis were mismatched with female plants of other species, and male plants had not been collected since 1908. Then, in March, 2009, the authors rediscovered a wild population of F. acicularis consisting of both male and female plants in Wuxi county, Chongqing municipality, China. Based on field investigation and examination of specimens, we matched the correct female and male plants of this species for the first time since its initial publication a century ago. A complete and accurate morphological description, distribution, habitat and phenology of this species are also provided. Furthermore, the conservation status of F. acicularis is assessed as “Near Threatened” (NT) according to the IUCN Red List criteria.

scholarly journals Chiococca grandiflora (Rubiaceae), a new species from Northern Mexico

PhytoKeys ◽  
2018 ◽  
Vol 98 ◽  
pp. 73-83 ◽  
Author(s):  
David H. Lorence ◽  
Thomas R. Van Devender ◽  
George M. Ferguson
Keyword(s):  
New Species ◽  
Conservation Status ◽  
Iucn Red List ◽  
Red List ◽  
Northern Mexico ◽  
Iucn Red List Criteria ◽  
A New Species

The new species Chiococcagrandiflora Lorence & T.Van Devender from Sinaloa and Sonora, Mexico differs from its congeners by its larger, showy white flowers in compact cymes of 3–9, and infundibuliform corollas 16–20 mm long with tubes 13–17 mm long and lobes 3–3.5 mm long. Its distribution, habitat, and relationships are outlined. The conservation status for this species is estimated to be Endangered (EN) based on IUCN Red List Criteria.

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