Results 71 to 80 of about 282,760 (304)

Indigenous peoples and local community reports of climate change impacts on biodiversity

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Climate change impacts on biodiversity have been primarily studied through ecological research methods, largely ignoring other knowledge systems. Indigenous and local knowledge systems include rich observations of changes in biodiversity that can inform climate change adaptation planning and environmental stewardship.
Albert Cruz‐Gispert   +5 more
wiley   +1 more source

Evaluation of various conventional methods for sampling weeds in potato and spinach crops

open access: yesAgronomía Colombiana, 2014
This study aimed to evaluate (at an exploratory level), some of the different conventional sampling designs in a section of a potato crop and in a commercial crop of spinach.
David Jamaica, Guido Plaza
doaj   +1 more source

Diversidad genética y abundancia relativa de Didelphis marsupialis y Didelphis virginiana en Chiapas, México

open access: yes, 2014
En especies de amplia distribucion, como Didelphis marsupialis y Didelphis virginiana, se predicen tamanospoblacionales grandes, alta diversidad y poca diferenciacion genetica. En este estudio se estimo la abundancia relativade D.
Bárbara Cruz-Salazar   +5 more
semanticscholar   +1 more source

Overcoming barriers to build partnerships for managing plant invasions under global change

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Non‐native plant invasions are a cross‐boundary conservation challenge, requiring coordinated management and policy responses underpinned by science. Global change is expected to exacerbate this challenge by changing abiotic and biotic drivers of invasive plant distribution, abundance, and impact. Current approaches may no longer be effective,
Jennifer L. Bufford   +9 more
wiley   +1 more source

La abundancia del malestar

open access: yesAnales de la Universidad de Chile, 2011
Como nunca, el panorama de la politica nacional juega a la esquizofrenia: las loas al desarrollo del pais -particularmente medido desde una perspectiva exclusivamente economica,que tiene un correlato social en el vuelco hacia el consumo- conviven con un malestar subterraneo y sordo.
openaire   +2 more sources

Heterogeneidad ambiental y su relación con la diversidad y abundancia de la comunidad de peces en un sistema costero del Golfo de México

open access: yes, 2014
Las lagunas costeras de Veracruz en el Golfo de Mexico, incluyen gran variedad de recursos biologicos, por lo que requieren mayor conocimiento ecologico, especialmente para sus comunidades de peces.
Arturo Aguirre-León   +2 more
semanticscholar   +1 more source

Survival, rarity, and extinction in tropical stony corals

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Many reef‐building tropical corals are becoming rare. We considered the meaning of rarity in corals and highlighted taxa that have reached low abundances in the last few decades. The difficulties of quantifying rarity in the marine environment arise from the sheer scale and 3‐dimensional nature of the biome and the inherent challenges therein ...
Bryan Wilson, Peter J. Edmunds
wiley   +1 more source

Influencia de la industria pesquera en la macrofauna bentónica en la Bahía de Coishco, Perú

open access: yesRevista de Investigaciones Marinas, 2022
Las comunidades bentónicas desempeñan un papel importante en los ecosistemas marinos, es por ello que se hace necesario evaluar la influencia de la industria pesquera sobre la macrofauna bentónica en época de pesca y veda en la bahía de Coishco. Para lo
Luis Fernando Torres-Cabrera   +4 more
doaj  

Estimación de macrofuana edáfica presentes en parcelas establecidas con árboles forestales, frutales y un acahual

open access: yesRevista Biológico Agropecuaria Tuxpan, 2014
La macrofauna edáfica tiene un papel muy importante en la fertilidad y estructura física de los suelos, ya que algunos de estos organismos realizan actividades cuyo impacto es positivo, por ejemplo, la regulación de los nutrientes disponibles para las ...
Nataren Velázquez Jeremías   +4 more
doaj   +1 more source

Diversidad, abundancia y conjuntos ictiofaunísticos del sistema lagunar-estuarino Chantuto-Panzacola, Chiapas, México

open access: yes, 2014
In the Chantuto-Panzacola system, Chiapas, Mexico, a study of a fish community was carried out between March and November of 1997. From a total of 1 456 fish collected, 31 species, 25 genera and 19 families had been identified.
S. Díaz-Ruiz   +3 more
semanticscholar   +1 more source

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