Results 71 to 80 of about 50,832 (169)

South American polypores : first annotated checklist from Argentinean Yungas [PDF]

open access: yes, 2007
A preliminary checklist of the polypore mycota of “Yungas”, subtropical mountain forests of northwestern Argentina, is presented. An intensive search of records in literature was done, and polypore exsiccatae from that phytogeographic province kept at ...
Rajchenberg, Mario   +1 more
core  

Avifauna de sitios asociados a la selva tropical en la depresión central de Chiapas, México.

open access: yesACTA ZOOLÓGICA MEXICANA (N.S.), 2010
Se realizó una descripción de la composición y estructura de la avifauna de sitios asociados a la selva tropical en la Depresión Central de Chiapas, de 2003 a 2004. La riqueza avifaunística en el área de estudio fue de 364 especies considerando el trabajo de campo y los registros previos provenientes de literatura y de especímenes depositados en ...
openaire   +3 more sources

The Importance of Environmental Heterogeneity in Evaluating the Conservation Status of Two Frog Species in a Changing Amazonian Interfluve

open access: yesAnimal Conservation, Volume 29, Issue 1, Page 60-70, February 2026.
Identifying the most effective criterion to assess the conservation status of vulnerable species in threatened tropical regions is crucial to evaluate recovery plans. We investigated the influence of environmental heterogeneity on the extent of occurrence (EOO), area of occupied habitat (AOH), and density variation of two Amazonian riparian frog ...
Rafael F. Jorge   +3 more
wiley   +1 more source

A Cross-Sectional Study of Seroprevalence of Strongyloidiasis in Pregnant Women (Peruvian Amazon Basin)

open access: yesPathogens, 2020
Strongyloidiasis is a soil-transmitted helminthiasis with a high global prevalence. Objectives: We aimed to evaluate the prevalence of Strongyloides stercoralis infection and assess strongyloidiasis serology as a screening technique in the Peruvian ...
Sonia Ortiz-Martínez   +12 more
doaj   +1 more source

The frequency and importance of polyploidy in tropical rainforest tree radiations

open access: yesNew Phytologist, Volume 249, Issue 4, Page 2103-2114, February 2026.
Summary The presence of more than two copies of the genome in an organism, termed ‘polyploidy’, is a crucial force in plant evolution, generating genetic, phenotypic and ecological diversity. [Correction added on 22 January 2026, after first online publication: the preceding sentence has been corrected.] The Amazonian tree flora is the most species ...
Rowan J. Schley   +9 more
wiley   +1 more source

Mapping Fire Management: A Spatial Social Network Approach

open access: yesGeo: Geography and Environment, Volume 13, Issue 1, January‐June 2026.
Short Abstract The paper proposes two advances to better visualise the networks between actors involved in fire management on cartographic maps: (1) the integration with modularity clustering and (2) a thematic map integrating different spatial scales.
Christoph Neger   +3 more
wiley   +1 more source

Fisiología y ecología del fitocromo: su función en las semillas

open access: yesBotan‪ical Sciences, 1989
En los procesos regulados por la luz el fitocromo es el pigmento fotorreceptor. En los últimos años se le ha conferido a este pigmento un papel importante en la detección de las condiciones ambientales de los procesos regulados por él (fotomorfogénesis,
Alma Orozco-Segovia
doaj   +1 more source

Structure and genetic diversity in wild and cultivated populations of Zapote mamey (Pouteria sapota, Sapotaceae) from southeastern Mexico: its putative domestication center [PDF]

open access: yes, 2019
Tropical fruit trees are an important component of the human diet; however, little is known about their genetic diversity levels. Zapote mamey (Pouteria sapota) is a tree native to southeastern Mexico and Central America, and Mexico is the leading ...
Arias, Renee S.   +5 more
core   +1 more source

How Does the Proximity to Roads Affect Vegetation Structure, Diversity, and Species Composition? A Global Meta‐Analysis

open access: yesApplied Vegetation Science, Volume 29, Issue 1, January/March 2026.
Road proximity reshapes plant communities worldwide, increasing non‐native and ruderal species while reducing vegetation structural attributes. Diversity and shifts in floristic composition and vegetation structure show context‐dependent responses, highlighting the importance of landscape context for understanding road impacts and guiding vegetation ...
Thielly Schmidt Furtado   +1 more
wiley   +1 more source

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