Results 11 to 20 of about 4,803 (169)

El diluvio Universal y la extinción de las especies biológicas

Proyección, 2003
La convicción de que el Diluvio Universal bíblico fue un hecho histórico está fuertemente arraigada desde hace milenios. Incluso persiste en nuestros días.
Leandro Sequeiros San Román
doaj   +1 more source

Success of restoration strategies in preventing extirpation of 2 critically endangered coral species. [PDF]

Conserv Biol
Abstract An unprecedented marine heatwave in 2023 caused widespread coral bleaching and mortality throughout the Caribbean. In the Florida Keys (USA), 2 foundation species, elkhorn coral (Acropora palmata) and staghorn coral (Acropora cervicornis), were severely affected.
Muller EM, Ladd MC, Karp R, Montoya-Maya PH, Kuffner IB, Baker AC, Bartels E, Bourque A, Clark AS, Cox N, D'Alessandro M, Daughtry B, Firchau B, Fix L, Gilliam D, Hesley D, Lewis C, Lirman D, Lustic C, Macauley K, Moore J, Nedimyer K, O'Neil K, Parsons KT, Smith KM, Spadaro J, Thomasson BC, Unsworth JD, Vaughan D, Miller MW.   +29 more
europepmc   +2 more sources

Elephant barrier behaviors in response to conflict mitigation fences. [PDF]

Conserv Biol
Abstract Human–wildlife conflict is a major conservation issue, particularly in lower income countries, where it affects marginalized people and leads to the extirpation of threatened species. Managers increasingly use fences to reduce this conflict but lack evidence on the effectiveness of these barriers, especially on whether this reduces the number ...
Gonçalves D, Smith RJ, O'Neill HMK.
europepmc   +2 more sources

In vitro culture, cryopreservation, and field reintroduction of the endangered Mingan thistle. [PDF]

Conserv Biol
Abstract Current plant conservation efforts are hindered by, for example, poor seed germination, low viability, and insufficient propagation and preservation technologies. To address these problems, we devised an approach to plant conservation that integrates conservation, preservation, and restoration (CPR), which uses advanced in vitro techniques. We
Shukla MR, Bi W, Roy MC, Nancy D, Saxena PK.   +4 more
europepmc   +2 more sources

A Dominant Founder Lineage Has Possible Fitness Costs for the Endangered Mexican Grey Wolf. [PDF]

Mol Ecol
ABSTRACT The Mexican grey wolf (Canis lupus baileyi) is an endangered and genetically distinct subspecies of grey wolf adapted to the warm climates of the southwestern United States and Mexico. Following centuries of eradication efforts, Mexican grey wolves were protected under the Endangered Species Act in 1976, prompting an international ex situ ...
Loera Y, Khakoo M, Krueckeberg E, Nilsson IG, Wu Z, Dwire M, Adams J, Waits L, Oakleaf JK, Campbell ML, Dunnum JL, Cook JA, vonHoldt BM.   +12 more
europepmc   +2 more sources

Nuevos registros de dos especies de Magnolia amenazadas de extinción

, 2023
Colombia es el país tropical con mayor cantidad de especies del género Magnolia (40 especies). No obstante, su alto grado de endemismo, estrecha distribución y creciente disminución de hábitat han llevado a que casi todas las especies se encuentren ...
Restrepo Riaño, Maria Antonia
core   +1 more source

Using miniaturized laboratory equipment and DNA barcoding to improve conservation genetics training and identify illegally traded species. [PDF]

Conserv Biol
Abstract Illegal wildlife trade (IWT) is one of the largest global illegal activities, and it negatively affects biodiversity and sustainable development worldwide. DNA barcoding coupled with high‐throughput sequencing (i.e., metabarcoding) is useful in identifying taxa affected by IWT and has been used routinely for decades.
Ferreira da Silva MJ, Colmonero-Costeira I, Djaló SL, Camará T, Sá RM, Minhós T, Kiebler A, Grethlein M, Pikkarainen N, Prost S.   +9 more
europepmc   +2 more sources

Hobbyist preferences for pet freshwater turtles [PDF]

Conservation biology.
Abstract The burgeoning pet trade is a primary threat to wild freshwater turtles worldwide. Although the risks from commercial exploitation of turtles have been discussed widely, there is little empirical research on preferences for pet turtles from a hobbyists’ perspective.
Zhao J, Chen Z, Duan B, Zheng W, Wan A, Zhang X, Li L, Lee T.   +7 more
europepmc   +2 more sources

Especies exóticas invasoras: ¿un causante primario de la declinación y extinción de especies nativas? [PDF]

, 2023
Although there is wide consensus thatbiodiversity is threatened worldwide by human activities,the role that alien invasive species (AIS) play in this processis controversial.
Correa, Nancy, Boltovskoy, Demetrio
core   +1 more source

Cambios en la estructura de la comunidad de anuros (Amphibia: Anura) en el Cerro Chompipe, Costa Rica

Cuadernos de investigación UNED, 2012
La diversidad de anfibios ha disminuido en los últimos 40 años, principalmente en las zonas altas. El Cerro Chompipe, ubicado en la Cordillera Volcánica Central ha sufrido una pérdida considerable de especies.
Juan G. Abarca Alvarado
doaj   +1 more source