Results 41 to 50 of about 351,485 (173)

Landscape features predict broad‐scale seed rain patterns across fragments of the Brazilian Atlantic Forest

open access: yesJournal of Ecology, Volume 114, Issue 5, May 2026.
Along with precipitation, forest cover emerges as a fundamental driver of alpha and beta diversity in the seed rain. This highlights the role of habitat amount at the landscape level over patch‐level features, like patch size, for seed dispersal. However, increased seed density can be related to higher dispersal rates in forest borders.
Luís Felipe Daibes   +63 more
wiley   +1 more source

Biodiversidad de algas rojas marinas (Rhodophyta) en Tabasco, México

open access: yesActa Botanica Mexicana, 2018
Antecedentes y Objetivos: El conocimiento de la ficoflora en el estado de Tabasco es escaso. Hasta el momento se tienen 39 registros de Rhodophyta, 7 de Ochrophyta y 22 de Chlorophyta.
Nataly Quiroz-González   +2 more
doaj   +1 more source

BIEN: A biodiversity informatics ecosystem advancing open and reproducible workflows for plant observation, plot and trait data

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 5, Page 1556-1584, May 2026.
Abstract The rapid expansion of biodiversity data presents new opportunities to understand and forecast biosphere dynamics. However, disparate and dispersed data, taxonomic and geographic inconsistencies, pervasive quality issues, and a lack of reproducable workflows hinder synthesis, introduce biases and limit accurate assessment of biodiversity ...
Brian J. Enquist   +38 more
wiley   +1 more source

Análisis comparativo del componente vegetal de la biodiversidad en sistemas de producción hortícola familiar del Cordón Hortícola de La Plata (CHLP), Provincia de Buenos Aires, Argentina

open access: yesRevista de la Facultad de Agronomía, 2015
Los agroecosistemas altamente tecnificados y dependientes de insumos, generan una alta uniformidad, reemplazando gran diversidad de especies y genotipos por pocas especies y genes de valor comercial.
Valentina Isabel Fernandez   +1 more
doaj  

Differential effects of agricultural expansion on wild bee taxonomic and functional diversity

open access: yesFunctional Ecology, Volume 40, Issue 4, Page 878-892, April 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Pollinators, especially bees, are in global decline, threatening biodiversity and food security. While intensive agriculture is a primary driver, its impact on bee functional diversity—particularly in the diverse Mediterranean region—remains understudied.
Manuel López‐Aliste   +9 more
wiley   +1 more source

Conceptos generales sobre finanzas públicas. El impuesto directo como medio de la redistribución de la riqueza [PDF]

open access: yes, 1969
El tema de este estudio es importante porque plantea una solución novedosa y específica al problema medular de la Economía salvadoreña. Tal solución, cuyo género próximo es la redistribución de la riqueza y cuya diferencia específica es la realización de
Zelaya, Jorge Joaquín
core  

Estudio cualitativo del fitoplancton del embalse Río Hondo (Argentina). II

open access: yesLilloa, 2000
Como resultado del estudio del fitoplancton superficial de la zona limnética y de las desembocaduras de los ríos Salí y Gastona del embalse Río Hondo (Argentina), para pre-zafra y zafra azucarera de los años 1994-1995, se determinaron un total de 112 ...
V. Mirande   +2 more
doaj  

Mammal Responses to Habitat Degradation Induced by Cashew Expansion in West Africa

open access: yesAnimal Conservation, Volume 29, Issue 2, Page 169-182, April 2026.
Relationships between (a) estimated mammal species richness, (b) overall mammal species photographic rate, (c) carnivore photographic rate, (d) insectivore photographic rate, (e) omnivore photographic rate and (f) herbivore photographic rate and the local habitat characteristics as denoted by the scores of the first component of the Principal Component
Daniel Na Mone   +6 more
wiley   +1 more source

Diversidad de helechos y licopodios en el Área Privada de Conservación Talhpan, Papantla, Veracruz, México

open access: yesPolibotánica, 2019
El conocimiento de la pteridoflora de la zona norte de Veracruz es escaso, y más aún cuando se habla de la riqueza de helechos y licopodios en las zonas altitudinalmente bajas.
Fernando Barrios-Morales   +2 more
doaj   +1 more source

Low abundance of phytophagous nematodes under invasive exotic Pinus elliottii – enemy release and plant–soil feedbacks

open access: yesNew Phytologist, Volume 249, Issue 6, Page 3060-3071, March 2026.
Summary According to the enemy release hypothesis (ERH), the fitness of exotic plants and their capacity to become invasive in their area of introduction may partly be attributable to the loss of their natural enemies. Invasive species may also benefit from modifying soil attributes and thereby creating a positive soil–plant feedback.
Lynda S. C. Guerrero   +3 more
wiley   +1 more source

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