Results 51 to 60 of about 288,498 (198)

Microsatellite markers for the critically endangered elm species Ulmus gaussenii (Ulmaceae).

Genes & genetic systems, 2016
The Anhui elm Ulmus gaussenii is listed as a critically endangered species by the International Union for Conservation of Nature and is endemic to China, where its only population is restricted to Langya Mountain in Chuzhou, Anhui Province. To better understand the population genetics of U.
Geng, Qi-Fang, Yang, Jie, He, Jia, Wang, Dan-Bi, Shi, En, Xu, Wei-Xiang, Jeelani, Nasreen, Wang, Zhong-Sheng, Liu, Hong   +8 more
openaire   +2 more sources

Risk aversion and uncertainty create a conundrum for planning recovery of a critically endangered species

Conservation Science and Practice, 2019
Making transparent and rational decisions to manage threatened species in situations of high uncertainty is difficult. Managers must balance the optimism of successful intervention with the risk that intervention could make matters worse.
S. Canessa, G. Taylor, R. Clarke, Dean Ingwersen, J. Vandersteen, J. Ewen   +5 more
semanticscholar   +1 more source

A Scalable AI Approach to Bird Species Identification for Conservation and Ecological Planning

IEEE Access
Birds represent an important component of ecosystems, holding substantial ecological and human interest, and significantly contributing to ecological equilibrium via their roles as pollinators, seed dispensers, and predators. If identified correctly, the
Souad Hassanie, Aiman Gohar, Raja Hashim Ali, Talha Ali Khan, Iftikhar Ahmed, Shan Faiz   +5 more
doaj   +1 more source

Dracontium nivosum (Lem.) G.H.Zhu (Araceae): range extension from Amazonia to a brejo forest refugium in Northeast Brazil confirmed [PDF]

Check List, 2016
The 558 km range extension of the Amazonian aroid Dracontium nivosum (Lem.) G.H.Zhu into semi-arid Northeast Brazil is confirmed. This species occurs in Ceará in threatened fragments of brejo forest at ca. 580–870 m elevation.
Ivanilza de Andrade, M. Francilene Silva, Thales Ribeiro, Simon Mayo   +3 more
doaj   +3 more sources

The critically endangered vaquita is not doomed to extinction by inbreeding depression

Science, 2022
In cases of severe wildlife population decline, a key question is whether recovery efforts will be impeded by genetic factors, such as inbreeding depression. Decades of excess mortality from gillnet fishing have driven Mexico’s vaquita porpoise (Phocoena
Jacqueline A. Robinson, Christopher C. Kyriazis, Sergio F. Nigenda-Morales, Annabel C. Beichman, L. Rojas-Bracho, K. Robertson, M. Fontaine, R. Wayne, K. Lohmueller, B. Taylor, P. Morin   +10 more
semanticscholar   +1 more source

Designing an optimal large‐scale reintroduction plan for a critically endangered species

Journal of Applied Ecology, 2023
Abstract Optimization methods are routinely used for landscape‐level conservation planning, but still underused in supporting species recovery programs. A possible barrier is the difficulty in representing and optimizing complex multidimensional problems: for example, many species recovery programs require management at the population level, but also
Stefano Canessa, José Salgado‐Rojas, Dani Villero, Lluís Brotons, Fèlix Amat, Daniel Guinart, Sonia Solórzano, Lluís López, Xavier Comas, Virgilio Hermoso   +9 more
openaire   +3 more sources

Distribution and current conservation status of the Mexican Goodeidae (Actinopterygii, Cyprinodontiformes) [PDF]

ZooKeys, 2019
The current distribution and abundance of the 40 species of Goodeidae fishes known from Mexico are described, and a total of 84 Evolutionarily Significant Units (ESUs) is designated within these species.
John Lyons, Kyle R. Piller, Juan Miguel Artigas-Azas, Omar Dominguez-Dominguez, Pablo Gesundheit, Michael Köck, Martina Medina-Nava, Norman Mercado-Silva, Arely Ramírez García, Kearstin M. Findley   +9 more
doaj   +3 more sources

Accurate Economics to Protect Endangered Species and their Critical Habitats

Pace Environmental Law Review, 2018
Federal agencies currently use a methodology that finds negligible benefits of protecting critical habitat for endangered species, despite the prime real estate that is often involved. The Endangered Species Act already calls for economic analysis, but agencies currently treat it as a meaningless hoop to jump through.
openaire   +3 more sources

The complete chloroplast genome of a critically endangered tree species, Hopea reticulata (Dipterocarpaceae) [PDF]

Mitochondrial DNA Part B, 2020
Hopea reticulata Tardieu is a critically endangered tree species distributed in limited regions in Thailand, Vietnam and Hainan Island of China. In this study, we reported the complete chloroplast genome sequence of H. reticulata assembled from pair-end reads generated by Illumina sequencing.
Xiang Ma, Ying Cai, Liang Tang
openaire   +3 more sources

Microplastics across biomes in diadromous species. Insights from the critically endangered Anguilla anguilla

Environmental Pollution, 2022
Microplastic pollution affects freshwater and marine biota worldwide, microplastics occurring even inside the organisms. With highly variable effects, from physical damage to toxicity of plastic compounds, microplastics are a potential threat to the biodiversity, community composition and organisms' health.
Daniel Menéndez, Almudena Álvarez, Susana Acle, Paloma Peón, Alba Ardura, Eva Garcia-Vazquez   +5 more
openaire   +3 more sources