Results 71 to 80 of about 462,255 (359)

Rediscovery of Passiflora danielii Killip, 1960 (subgenus Passiflora): a threatened narrow endemic species of Colombia [PDF]

, 2015
Passiflora danielii, an endemic species to Colombia, which is threatened, was rediscovered in the Department of Antioquia, where it has not been reported since 1938. The species was only known from the type locality (Municipality of Cocorná).
Giraldo, Wilmer, Ocampo, John, Restrepo, Jorge Julián   +2 more
core   +2 more sources

The state of Nepal birds 2010

Journal of Threatened Taxa, 2013
The national status of Nepal birds was determined using the IUCN Red List criteria and following IUCN regional guidelines. Records of all species identified as potentially at high risk were extracted from all relevant references in a comprehensive, up ...
C. Inskipp, H.S. Baral, T. Inskipp, A. Stattersfield   +3 more
doaj   +1 more source

Multi-species count transformation models [PDF]

arXiv, 2022
By extending single-species distribution models, multi-species distribution models and joint species distribution models are able to describe the relationship between environmental variables and a community of species. It is also possible to model either the marginal distribution of each species (multi-species models) in the community or their joint ...
arxiv  

Self-organizing patterns maintained by competing associations in a six-species predator-prey model [PDF]

Phys. Rev. E 77 (2008) 041919, 2008
Formation and competition of associations are studied in a six-species ecological model where each species has two predators and two prey. Each site of a square lattice is occupied by an individual belonging to one of the six species. The evolution of the spatial distribution of species is governed by iterated invasions between the neighboring predator-
arxiv   +1 more source

New eastern limit of the geographic distribution of Orsinigobius punctatissimus (Canestrini, 1864) (Teleostei: Gobiiformes: Gobiidae) in northeastern Italy, with biological notes on the species [PDF]

, 2019
A record of the gobiid Orsinigobius punctatissimus (Canestrini, 1864) from the springs of the Gorizia Karst (Italy, Friuli-Venezia Giulia) is reported, extending the eastern limit of the geographic distribution of the species.
Cianfanelli, Simone, Innocenti, Gianna, Nocita, Annamaria, Vanni, Stefano   +3 more
core   +2 more sources

Quantification of habitat fragmentation reveals extinction risk in terrestrial mammals [PDF]

, 2017
Although habitat fragmentation is often assumed to be a primary driver of extinction, global patterns of fragmentation and its relationship to extinction risk have not been consistently quantified for any major animal taxon.
Butchart, Butchart, Carlo Rondinini, Christopher L. Burdett, Davey, David M. Theobald, Di Marco, Dickman, Ficetola, Kansky, Kevin R. Crooks, Li, Luigi Boitani, McCain, Moreno Di Marco, Murray, Pesaresi, Ripple, Santini, Sarah R. B. King, Schultz, Sutherland, Thornton, Tracewski, Wilson   +24 more
core   +1 more source

Biological features, distribution, and conservation of the near-threatened Gangetic leaf fish Nandus nandus (Hamilton, 1822): A review

Heliyon, 2023
Nandus nandus (Hamilton, 1822) is a small indigenous species (SIS) and commercially important food fish found in Bangladesh, India, Nepal, Pakistan, Myanmar, and Thailand.
Nishat Tasnim, Fatema Jannat Munny, Md. Abu Kawsar   +2 more
doaj  

Conservation status of the freshwater fish species from Ceará State, Brazil [PDF]

Neotropical Ichthyology
Red Lists, which assess species’ extinction risk, are essential in formulating public policies for natural resources management and impact mitigation. The objective of this study was to characterize the conservation status of the continental ichthyofauna
Maria Cecília Feitoza Gomes, Patricia Charvet, Leonardo Mesquita Pinto, Ronaldo César Gurgel-Lourenço, Telton Pedro Anselmo Ramos, Sergio Maia Queiroz Lima, Carlos Alberto de Sousa Rodrigues-Filho, Danielle Sequeira Garcez, Jorge Iván Sánchez-Botero   +8 more
doaj   +1 more source

Hierarchical stock assessment methods improve management performance in multi-species, data-limited fisheries [PDF]

arXiv, 2020
Management performance of five alternative stock assessment methods was evaluated by using them to set harvest levels targeting multi-species maximum yield in a multi-species flatfish fishery, including single-species and hierarchical multi-species models, and methods that pooled data across species and spatial strata, with catch outcomes of each ...
arxiv  

Insights into PI3K/AKT signaling in B cell development and chronic lymphocytic leukemia

FEBS Letters, EarlyView.
This Review explores how the phosphoinositide 3‐kinase and protein kinase B pathway shapes B cell development and drives chronic lymphocytic leukemia, a common blood cancer. It examines how signaling levels affect disease progression, addresses treatment challenges, and introduces novel experimental strategies to improve therapies and patient outcomes.
Maike Buchner
wiley   +1 more source