Results 51 to 60 of about 853,608 (223)
Bosques Latitud Cero, 2021 Se evaluó la diversidad florística presente en diferentes agroecosistemas cafetaleros de la selva central del Perú: El Oconal, Alto Kimiriki y Río Venado, con el propósito de conocer las especies de mayor importancia asociadas al cultivo, tanto de ...
Vinicio Alvarado
doaj
Protocolo de Cartagena sobre Seguridad de la Biotecnología del Convenio sobre la Diversidad Biológica [PDF]
, 2000 El Protocolo de Cartagena fue adoptado en el año 2000 como un acuerdo complementario al Convenio sobre la Diversidad Biológica. El Protocolo busca proteger la diversidad biológica a través de la administración de los movimientos entre países de ...
Secretaría del Convenio sobre la Diversidad Biológica, Naciones Unidas
core
Pest‐preservation paradox among insects
Conservation Biology, EarlyView.The pest‐preservation paradox is a non‐binary perspective that insects range from those that are harmful and requiring management on the one side, to those requiring conservation intervention on the opposite end of the spectrum. Importantly, the vast majority of insects occur somewhere in the center of the two extremes, and their position along the ...
Michael J. Samways +3 more
wiley +1 more source
Revista Mexicana de Biodiversidad, 2012 The altitudinal and temporal distributions of species in the family Apionidae (Coleoptera: Curculionoidea) were studied in El Cielo Biosphere Reserve (ECBR) in the state of Tamaulipas, northeastern Mexico.
Robert W. Jones +2 more
doaj
Forest edges buffer effects of agricultural management on bee–plant interaction networks
Ecological Entomology, EarlyView.Agricultural management effects: Organic and conventional crop margins host similar bee and plant species, but network structure differs: organic farms exhibit higher interaction diversity, conventional farms higher connectance. Role of forest edges: Native forest edges stabilize bee–plant networks by providing continuous floral resources and suitable ...
Samantha Marx de Castro +6 more
wiley +1 more source
III Plano diretor Embrapa Agroindústria Tropical 2004-2007.
, 2011 Uma visão de futuro para a pesquisa e o desenvolvimento do espaço rural e da agroindústria tropical brasileira; Missão, visão, valores e foco de atuação; Objetivos estratégicos; Diretrizes estratégicas; Projetos estruturantes e ...
EMBRAPA AGROINDÚSTRIA TROPICAL.
core +1 more source
Polibotánica, 2002 El bosque tropical caducifolio es uno de los bosques menos estudiados en México y es uno de los más diversos del mundo. La ganadería extensiva y el cambio de uso del suelo (de bosques a pastos) representan una presión importante para este bosque ...
Lázaro R. Sánchez-Velásquez +5 more
doaj
Tropical dry forest recovery : processes and causes of change [PDF]
, 2009 Seasonally dry areas are one of the preferred zones for human inhabitance in the tropics. Large forest areas are converted to other land uses and many are covered by secondary forests that grow naturally after cessation of disturbance.
Lebrija Trejos, E.E.
core
Insect Conservation and Diversity, EarlyView.Constant visitation rates across the flowering season masked major shifts in plant and flower visitor interaction structure, specialization, species roles and trait‐driven patterns shaping interaction intensity. Plants and flower visitors changed ecological roles over time, with native flower visitors playing key roles in maintaining network cohesion ...
Alba Costa +3 more
wiley +1 more source
Riqueza y diversidad de árboles del Bosque Estacional Caducifolio en la Depresión Central de Chiapas
Botanical Sciences, 2010 Se evaluó la diversidad de árboles contenida en 96 parcelas circulares de 0.1 ha, distribuidas en un intervalo altitudinal entre 441 y 1,740 m en la Depresión Central de Chiapas.
Ana Guadalupe Rocha-Loredo +2 more
doaj +1 more source