Results 21 to 30 of about 37,458 (227)

Riqueza y diversidad de aves en el paisaje costero fragmentado en Tampamachoco, Tuxpan, Veracruz

open access: yesRevista Biológico Agropecuaria Tuxpan, 2014
En México, los hábitats costeros están siendo modificados, debido a las actividades antrópicas (agricultura y ganadería), afectando a las aves, modificando su riqueza y diversidad así como reduciendo el tamaño poblacional de algunas especies.
Juan Cipriano Anastasio   +3 more
doaj   +1 more source

Efecto del herbicida sulfentrazone 50 SC, en dos concentraciones, solo y en mezcla con clomazone 36 CS, para el control de malezas en el cultivo del arroz, Sébaco, época lluviosa, 2016

open access: yesLa Calera, 2018
Se realizó un experimento en la época seca de 2016 en la fi nca Yerba Buena, ubicada en el valle de Sébaco, comunidad La Majadita, San Isidro, Matagalpa, Nicaragua.
José Manuel Laguna Dávila   +1 more
doaj   +1 more source

Abundancia

open access: yesCultura de Paz, 2017
La expresión del arte moderno en Nicaragua En las pinturas de José Javier Sánchez se siente la voluntad firme de expresar sus orígenes ancestrales americanos; el rechazo a las soluciones estéticas occidentales que conoció y estudió en sus viajes y estadías por América y especialmente Europa.Los cambios en su obra, esta última década, han sido más ...
openaire   +2 more sources

Lichen bleaching as a response to long‐term experimental warming in the High Arctic

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Lichens are an important component of Arctic ecosystems. Studies have indicated a decline in the abundance of Arctic lichens during recent decades, which is often attributed to competitive pressure from vascular plants.
Jiří Šubrt   +3 more
wiley   +1 more source

Modelización temporal de la abundancia de hormigas del Bosque Otongach. [PDF]

open access: yes, 2023
Las hormigas son insectos muy diversos y abundantes que habitan en casi todos los ecosistemas. Las funciones que las hormigas realizan han permitido directa o indirectamente la existencia de plantas y animales, incluyendo al ser humano.
Paredes Moreira, Pamela Juana
core  

Stable Isotope Analysis as a Tool to Prevent Illicit Wildlife Trade of Songbirds in Brazil

open access: yesAnimal Conservation, EarlyView.
Feather isotopes provide clear differences between wild and captive songbirds in Brazil. Combining multiple isotopes improved classification accuracy and revealed individuals falsely declared as captive‐bred. These results demonstrate the potential of isotope analysis to detect wildlife laundering in the bird trade.
Luiza Brasileiro   +4 more
wiley   +1 more source

The collective application of shorebird tracking data to conservation

open access: yesConservation Biology, EarlyView.
Abstract Addressing urgent conservation issues, such as the drastic declines of North American migratory birds, requires creative, evidence‐based, efficient, and collaborative approaches. The abundance of over 50% of monitored North American shorebird populations has declined by over 50% since 1980. To address these declines, we developed a partnership
Autumn‐Lynn Harrison   +71 more
wiley   +1 more source

Entre el paraíso de la abundancia y el infierno del hambre: mitos y realidades

open access: yesCuadernos de Historia Moderna, 2015
Entre los sueños y la realidad, la tierra de Jauja, como Cucaña, era un país mágico insistentemente imaginado y buscado durante la Edad Moderna. En esta tierra fantástica no era necesario trabajar y el alimento era abundante.
María de los Ángeles Pérez Samper
doaj   +1 more source

Providing regular and frequent maps of losses and gains of farmland birds based on European monitoring data

open access: yesConservation Biology, EarlyView.
Abstract Knowledge of species distributions is essential for informing policies on nature conservation and restoration. However, updating them on a regular basis and doing so in a harmonized manner at the international level is difficult. The European Bird Census Council integrated national monitoring data covering 5 years to update farmland bird ...
Sergi Herrando   +54 more
wiley   +1 more source

Composition and vertical distribution of metazoan meiofauna assemblages on the continental shelf off central Chile

open access: yesLatin American Journal of Aquatic Research, 2015
A quantitative study of metazoan meiofauna was carried out in Valparaiso Bay (33°S 71°W) which is affected by seasonal hypoxia in central Chile. The contents of bottom water, dissolved oxygen (BWDO), organic carbon, chloroplast pigments and composition ...
Eulogio Soto   +2 more
doaj   +1 more source

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