Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Raul Valdez"'
Autor:
Guillermo Romero-Figueroa, Enrique de Jesús Ruiz-Mondragón, Eahsan Shahriary, Carlos Yee-Romero, Aldo Antonio Guevara-Carrizales, Rafael Paredes-Montesinos, Jesús Miguel Corrales-Sauceda, Israel Guerrero-Cárdenas, Raul Valdez
Publikováno v:
Animals, Vol 14, Iss 3, p 504 (2024)
The bighorn sheep in Mexico is classified as at-risk by the Mexican federal government. In the state of Baja California, wild sheep can be observed throughout the length of the state from the USA–Mexico border south to the Agua de Soda mountain ran
Externí odkaz:
https://doaj.org/article/a5d4b20d4d1b4d3580d513329956397f
Publikováno v:
PLoS ONE, Vol 18, Iss 4, p e0284593 (2023)
Understanding key ecological adaptations, such as foraging, when a predator is almost extinct is complex. Nonetheless, that information is vital for the recovery of the persisting individuals. Therefore, reviewing historical, ethnobiological and rece
Externí odkaz:
https://doaj.org/article/66971cf2068e4f6e8636d0bd0a3db5d8
Autor:
Jonathan Gabriel Escobar-Flores, Sarahi Sandoval, Raul Valdez, Eahsan Shahriary, Jorge Torres, Sergio Alvarez-Cardenas, Patricia Gallina-Tessaro
Publikováno v:
PLoS ONE, Vol 14, Iss 1, p e0211202 (2019)
In arid ecosystems, desert bighorn sheep are dependent on natural waterholes, particularly in summer when forage is scarce and environmental temperatures are high. To detect waterholes in Sierra Santa Isabel, which is the largest area of desert bigho
Externí odkaz:
https://doaj.org/article/acf645e4e1e94abf824f751267201ccc
Publikováno v:
Heliyon, Vol 3, Iss 11, Pp e00445- (2017)
We modeled summer and winter habitat suitability of Marco Polo argali in the Pamir Mountains in southeastern Tajikistan using these statistical algorithms: Generalized Linear Model, Random Forest, Boosted Regression Tree, Maxent, and Multivariate Ada
Externí odkaz:
https://doaj.org/article/dab58047ed274bd58c7c955231023aa7
Publikováno v:
ISPRS International Journal of Geo-Information, Vol 4, Iss 4, Pp 2094-2108 (2015)
We described in this report the essential geographic layers used as landscape drivers for the Marco Polo Argali habitat in the eastern Tajik Pamirs. Using remote sensing techniques and geographic information systems (GIS), individual layers were gene
Externí odkaz:
https://doaj.org/article/be732d1be7724fd8a57210a651e26029
Publikováno v:
Human-Wildlife Interactions, Vol 4, Iss 1 (2017)
Predation on cattle by the endangered jaguar (Panthera onca) can be a serious ecological and economic conflict. We investigated habitat characteristics of kill sites of cattle in Sonora, Mexico, from 1999 to 2004 to see whether habitat management or
Externí odkaz:
https://doaj.org/article/f13c245e1f024e1483229eebc779f5e7
Publikováno v:
Remote Sensing, Vol 8, Iss 1, p 78 (2016)
We tested the Moment Distance Index (MDI) in combination with texture features for the summer vegetation mapping in the eastern Pamir Mountains, Tajikistan using the 2014 Landsat OLI (Operational Land Imager) image. The five major classes identified
Externí odkaz:
https://doaj.org/article/cb1715902b8d4b18bba1c601feafb6ca
Mexico is the fourteenth largest country in the world and ranks fifth in biodiversity. Located in the transition zone between the temperate and tropical regions of North and South America, Mexico is an important migratory corridor for wildlife and al
Publikováno v:
Mammalia. 86:171-181
Wild sheep (Ovis spp.) are of conservation concern throughout the Middle East. Little is known, however, about the natural history or ecology of this taxon. To better understand size relationships among wild sheep occupying Iran, we analyzed results
Publikováno v:
Day 1 Mon, April 25, 2022.
Implementation of a second Double Displacement Process (DDP2) has been evaluated for Yates Field Unit (YFU). A DDP2 Demonstration Area Project has been designed to test DDP2 in a mature, high recovery area of the field. A detailed, geologically based