Results 61 to 70 of about 5,114 (181)

Seasonal wetlands in the Pacific coast of Costa Rica and Nicaragua: environmental characterisation and conservation state. [PDF]

open access: yes, 2015
Seasonal wetlands in the Pacific coast of Costa Rica and Nicaragua: environmental characterisation and conservation status On the Pacific coast of Nicaragua and Costa Rica, rainfall patterns and clay-rich soils allow the development of extensive wetlands.
Armengol Díaz, Javier   +7 more
core   +1 more source

Inter-annual ciliate distribution variation within the late stratification oxycline in a monomictic lake, Lake Alchichica (Mexico) [PDF]

open access: yes, 2016
Deep stratified tropical water bodies pass through prolonged periods of meta-hypolimnetic anoxia, and ciliates might play a very important role in the plankton community budget there.
Bautista-Reyes, F   +5 more
core   +3 more sources

Vulnerability of marine megafauna to global at‐sea anthropogenic threats

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
Michelle VanCompernolle   +309 more
wiley   +1 more source

Ictiologos de la Argentina: Raul Adolfo Ringuelet [PDF]

open access: yes, 2012
This series will include all those people who, by means of their contributions, great and small, played a part in the consolidation of ichthyology in Argentina. The general plan of this work consists of individual factsheets containing a list of works
López, Hugo Luis, Ponte G, Justina
core  

Annotated checklist of marine fishes from the Sanctuary of Bahía Chamela, Mexico with occurrence and biogeographic data. [PDF]

open access: yes, 2016
An annotated checklist of marine fishes of the Sanctuary of Islands and Islets of Bahía Chamela in the central Mexican Pacific is presented. Records of fish species were obtained by different methods including visual census, sampling with anesthetics ...
Balart, Eduardo F   +4 more
core   +1 more source

Micro‐Refuges or Ecological Traps: Context‐Dependent Effects of Rock Pools on Intertidal Biodiversity Across Latitudes

open access: yesGlobal Ecology and Biogeography, Volume 35, Issue 2, February 2026.
ABSTRACT Aim We investigated how local‐scale environmental heterogeneity influences biodiversity patterns across broad biogeographic gradients, using intertidal microhabitats as a model system within one of the most environmentally stressful ecosystems on Earth.
Louise B. Firth   +63 more
wiley   +1 more source

Evaluación de la calidad del agua mediante un enfoque múltiple en arroyos de la llanura templada (Argentina, América del Sur) [PDF]

open access: yes, 2012
We assessed the water quality in two pampean lotic systems (Argentina), the Juan Blanco and Buñirigo streams, subjected to different land uses (i. e., the UNESCO Biosphere Nature Reserve versus industry and agriculture, respectively) through measurements
Ocon, Carolina Silvia   +1 more
core   +1 more source

How Management Practices Shape the “Local Habitat Signature” That Modulates Bird Communities in Urban Green Spaces

open access: yesBiotropica, Volume 58, Issue 1, January 2026.
Local scale factors, not just the broad urban gradient, are the key drivers of urban bird communities. Our multi‐scale study found that specific management practices, such as managing leaf litter depth or the presence of unmanaged tall grass, explained the largest portion of variation in bird composition.
Tulaci Bhakti   +3 more
wiley   +1 more source

Cambios en los indices biológicos de la tararira, hoplias malabaricus (bloch, 1794) en un ciclo anual en la Laguna Yalca, provincia de Buenos Aires, Argentina [PDF]

open access: yes, 2009
Fil: Balboni, Leandro. Instituto Tecnológico de Chascomús, IIB-INTECH. Chascomús; ArgentinaFil: Colautti, Darío César. Instituto de Limnología Dr. Raúl A. Ringuelet (ILPLA). Facultad de Ciencias Naturales y Museo.
Baigún, Claudio Rafael Mariano   +2 more
core  

Anthropogenic Barriers Limit Fish Access to Essential Habitats in the Amazon in the Face of Climate Change

open access: yesGlobal Change Biology, Volume 32, Issue 1, January 2026.
Rivers across the Amazon Basin are increasingly threatened by climate change and dam construction, which restrict fish movements. We combined climate projections with river‐network connectivity analyses to identify where suitable habitats for frugivorous and socioeconomically important fish are likely to persist and where access may be lost due to ...
Kátia Yasuko Yofukuji   +11 more
wiley   +1 more source

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