Results 61 to 70 of about 12,799 (231)

Recursos naturales

open access: yesREVISTA JURÍDICA UNIVERSIDAD NACIONAL DEL OESTE
El presente trabajo doctrinario tiene como objetivo analizar la base legal del dominio originario de los recursos naturales de las provincias, su evolución histórica, su alcance y las implicancias que tiene para la gestión sostenible de los recursos en el contexto actual, sobre todo cuando existen intereses contrapuestos entre los Estados provinciales ...
openaire   +1 more source

Herbivore and mesocarnivore carcasses trigger divergent short‐term changes in soil properties

open access: yesJournal of Animal Ecology, EarlyView.
Scavengers reshape nutrient cycles in soils under carrion. Compared to herbivore carcasses, smaller but longer‐lasting carnivore remains boost nutrient levels and microbial activity in dry soils. Abstract Animal corpses act as pulses of organic matter (OM) and serve a key zoogeochemical role by providing localized nutrient inputs to soils and thereby ...
Adrián Colino‐Barea   +15 more
wiley   +1 more source

Primera intercepción del escarabajo rinoceronte asiático del cocotero Oryctes rhinoceros (Linnaeus, 1758) en México

open access: yesRevista Mexicana de Ciencias Forestales, 2017
El género Oryctes cuenta con 42 especies conocidas en todo el mundo, y en su mayoría corresponden a plagas de la palma. Oryctes rhinoceros es uno de los insectos más dañinos para el cocotero (Cocos nucifera) y para la palma aceitera africana (Elaeis ...
Eduardo Jiménez Quiroz   +5 more
doaj   +1 more source

Bat Tongues and Foraging: Linking Morphology to Hunting Strategies

open access: yesIntegrative Zoology, EarlyView.
We linked the bat tongue's mediodorsal lobe (MDL), a muscular prominence, to foraging strategies. Aerial hawkers exhibit tall MDLs and prominent forward‐pointing papillae. The MDL may function as a barrier or filter, preventing unintentional ingestion of non‐food material, aiding in prey handling, and controlling food access during fast flight ...
Danilo Russo   +6 more
wiley   +1 more source

Living Low and Dry: Costs of and Resilience to Soil Hydric Stress in a Fossorial Amphisbaenian Reptile

open access: yesIntegrative Zoology, EarlyView.
Soil drought imposes moderate, temporary costs on a strictly fossorial amphisbaenian reptile. However, these animals seem to cope with, at least, moderately short droughts thanks to their peculiar adaptations to living in an underground environment. ABSTRACT The physiological traits of animals can be strongly influenced by climatic fluctuations, and ...
José Martín   +5 more
wiley   +1 more source

CUANTIFICACION DE LA RESISTENCIA MECANICA DE MORTEROS DE CEMENTO AL AÑADIR CENIZAS DE CASCARA DE ARROZ RICAS EN NANOPARTICULAS DE SILICE

open access: yesAvances en Ciencias e Ingeniería, 2019
Se obtuvieron cenizas ricas en nanopartículas amorfas de dióxido de silicio (conglomerados de diámetro promedio de 60 nm) a partir de la combustión controlada de la cáscara de arroz.
Camilo Orrabalis   +3 more
doaj  

Dinámica de la fenología de la vegetación a partir de series temporales de NDVI de largo plazo en la provincia de La Pampa

open access: yesEcología Austral, 2013
La cubierta vegetal es un indicador natural de la salud ambiental y tendencia climática, y la actividad fotosintética permite detectar esas variaciones.
Pablo Vázquez   +2 more
doaj   +1 more source

Assessing Spatiotemporal Side Effects of Diversionary Feeding on Mesopredators

open access: yesAnimal Conservation, EarlyView.
We tested whether diversionary feeding alters the space use, aggregation, or activity patterns of mesopredators using a treatment‐control design with camera traps. Although both species frequently used feeding stations, diversionary feeding did not significantly affect their spatial distribution, aggregation, or temporal behaviour.
Pablo Palencia   +5 more
wiley   +1 more source

Manejo de plagas en el cultivo de chile y su impacto ambiental en la zona agrícola de Jiménez-Villa López, Chihuahua, México

open access: yesTecnociencia Chihuahua, 2018
La alta incidencia de plagas en el cultivo de chile ha causado un alar- mante aumento en el uso de productos químicos para su control. Con el objetivo de identificar los plaguicidas y programas de control de pla- gas utilizados en la zona y ...
César Guigón López   +1 more
doaj   +1 more source

Diagnosing scaling bottlenecks in 10 community conservation initiatives in southern and eastern Africa

open access: yesConservation Biology, EarlyView.
Scaling area‐based conservation, including initiatives led or comanaged by Indigenous Peoples and local communities, is a flagship goal of the Kunming‐Montreal Global Biodiversity Framework. Conservationists often aspire to scale initiatives, but this is rarely achieved in practice. Identifying and addressing factors that limit initiative adoption (i.e.
Thomas Pienkowski   +39 more
wiley   +1 more source

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