Results 101 to 110 of about 118,266 (370)

Insect population trends and the IUCN Red List process

Journal of Insect Conservation, 2018
Reliable assessment of extinction risk is a key factor in the preparation of Red Lists and in prioritizing biodiversity conservation. Temporal population trends can provide important evidence for such assessments, but imperfect sampling (observation ...
R. Fox, C. Harrower, J. Bell, C. Shortall, I. Middlebrook, R. Wilson   +5 more
semanticscholar   +1 more source

Begonia chunxiuensis, a new species of Begonia sect. Platycentrum (Begoniaceae) from Guangxi, China

Nordic Journal of Botany, EarlyView.
Begonia chunxiuensis, a new species from Guangxi of China, is described and illustrated. It is morphologically similar to B. sinovietnamica and B. aurora, but differs from them by its narrowly triangular stipules, leaf blade that is adaxially green, dark green to viridian, pinkish‐white to white villous, but abaxially light green with red veins, red to
Hou‐Cheng Xi, Ren‐Kun Li, Zhong‐Xuan Wang, Xiao‐An Lang, Wen‐Guang Wang, Dai‐Ke Tian   +5 more
wiley   +1 more source

Threat status of birds of Yamuna Nagar District, Haryana, India

Journal of Threatened Taxa, 2015
Birds were surveyed in the Yamuna Nagar District, Haryana, India and the threat categories of the species observed were determined with the IUCN Red List.  A total of 185 species belonging to 46 families were observed.  Families Accipitridae, Passeridae,
Rajiv S. Kalsi, Sujata Sharma, Meenu Kalsi   +2 more
doaj   +3 more sources

A notable new narrow‐endemic species of Jurinea (Asteraceae) from the subalpine region of western Iran

Nordic Journal of Botany, EarlyView.
Extensive field studies in remote areas of Chaharmahal and Bakhtiari Province, Iran, resulted in the identification of a novel Jurinea species (Asteraceae: subtribe Saussureinae). Jurinea kuhrangensis sp. nov., a chasmophytic species endemic to limestone outcrops in the subalpine region of Kuhrang County, is formally documented in this study ...
Amin Zeraatkar, Hamzehali Shirmardi, Touraj Mokhtarpour   +2 more
wiley   +1 more source

Global Trends in the Status of Bird and Mammal Pollinators [PDF]

, 2015
Biodiversity is declining, with direct and indirect effects on ecosystem func-tions and services that are poorly quantified. Here, we develop the first globalassessment of trends in pollinators, focusing on pollinating birds and mam-mals.
Barnosky, Benning, Biesmeijer, BirdLife International, Borgella, Butchart, Butchart, Butchart, Böhm, Courter, Cronk, De Grammont, Eilers, Fleming, Gallai, Garibaldi, Gerlach, Hadley, Hoffmann, Hoffmann, Howell, Hoyo, IUCN, Kasso, Klein, Kremen, Kunz, Lebuhn, Lewis, McKinney, Mickleburgh, Millennium Ecosystem Assessment, Muchhala, Nicolson, Olesen, Ollerton, Potts, Stuart, Sumner, Tittensor, Velthuis   +40 more
core   +1 more source

A new species of Amphitecna (Bignoniaceae) endemic to the mountain karst forests of southern Mexico

Nordic Journal of Botany, EarlyView.
Amphitecna brevicalyx (Bignoniaceae), a new tree species endemic to Mexico is described and illustrated. Its cauliflorous inflorescences, featuring a single flower per shoot and funnelform corollas without a transverse fold in the throat, place it within the Amphitecna macrophylla group.
Leopoldo Hurtado‐Reveles, Andrés Ernesto Ortiz‐Rodriguez   +1 more
wiley   +1 more source

Zannichellia contorta [PDF]

, 2018
This species is native to southern, central and eastern Spain, with an old record from the Atlas Mountains in northern Morocco requiring confirmation. The species is very sensitive to eutrophication and deterioration of water quality.
Carapeto, André, Fraga i Arquimbau, Pere, García Murillo, Pablo, Lansdown, Richard, Pinto-Cruz, Carla, Ríos Ruiz, S   +5 more
core   +1 more source

Impacts of the IUCN Red List of Ecosystems on conservation policy and practice

Conservation Letters, 2018
In 2014, the International Union for Conservation of Nature adopted the Red List of Ecosystems (RLE) criteria as the global standard for assessing risks to terrestrial, marine, and freshwater ecosystems.
L. Bland, Emily Nicholson, Rebecca M. Miller, Angela Andrade, Aurélien Carré, A. Etter, J. R. Ferrer‐Paris, B. Herrera, T. Kontula, A. Lindgaard, P. Pliscoff, A. Skowno, M. Valderrábano, I. Zager, D. Keith   +14 more
semanticscholar   +1 more source

Primulina marmorata (Gesneriaceae), a new species from northern Guangxi, China

Nordic Journal of Botany, EarlyView.
Primulina marmorata, a new species of Gesneriaceae from the limestone areas of Siding Town, Rong'an County, liuzhou City, Guangxi, China, is described and illustrated here. It morphologically resembles P. yungfuensis in leaf blades. Still, it can be easily distinguished from the latter by noting a combination of characteristics, especially in its ...
Shu‐Shan Zhang, Wei‐Chuen Chou, Qi‐Jun Wang, Yi‐Gang Wei, Fang Wen   +4 more
wiley   +1 more source

IUCN'S RED LIST OF THREATENED SPECIES

Revista de Estudos Ambientais
This paper analyzed representatives of the class Mammalia on the International Union for Conservation of Nature's (IUCN) Red List of threatened species and evaluated whether the protected areas have fulfilled their function of protecting habitats.
Kenia Cristina Sfredo Ferreira, Geraldo Majela Moraes Salvio, José Emílio Zanzirolani de Oliveira, James Bruce Bell   +3 more
openaire   +1 more source