Results 61 to 70 of about 86,820 (183)
Conservación y uso de los recursos genéticos de Annonaceae en México
Se presenta un análisis sobre la conservación y el uso de los recursos genéticos de especies frutales de la familia Annonaceae en México. El diagnóstico realizado en 2010 por la Red de Anonáceas (REMA) del Sistema Nacional de Recursos Fitogenéticos ...
Jorge Andrés Agustín +1 more
doaj +1 more source
Foodways in transition: food plants, diet and local perceptions of change in a Costa Rican Ngäbe community [PDF]
Background Indigenous populations are undergoing rapid ethnobiological, nutritional and socioeconomic transitions while being increasingly integrated into modernizing societies. To better understand the dynamics of these transitions, this article aims
A Constenla +62 more
core +1 more source
Se realizó esta investigación con el objetivo deidentificar y caracterizar las razas de maíz desde el punto de vistamorfológico y agronómico teniendo en cuenta la estrategia yestatus de conservación de las muestras, así como para establecerla dinámica de
Lianne Fernández Granda +5 more
doaj
Firewood Resource Management in Different Landscapes in NW Patagonia [PDF]
Ecosystems, their components, processes and functions are all subject to management by human populations, with the purpose of adapting the environments to make them more habitable and ensuring the availability and continuity of subsistence resources ...
Ladio, Ana Haydee +2 more
core +2 more sources
Survival, rarity, and extinction in tropical stony corals
Abstract Many reef‐building tropical corals are becoming rare. We considered the meaning of rarity in corals and highlighted taxa that have reached low abundances in the last few decades. The difficulties of quantifying rarity in the marine environment arise from the sheer scale and 3‐dimensional nature of the biome and the inherent challenges therein ...
Bryan Wilson, Peter J. Edmunds
wiley +1 more source
En Costa Rica, es necesario un programa nacional de conservación ex situ para Vanilla planifolia por su rareza, peligro de extinción en condiciones silvestres y por la importancia económica que la ubica como la orquídea más rentable del mundo.
José Bernal Azofeifa-Bolaños +3 more
doaj +1 more source
Colta y Guamote son dos cantones de la provincia de Chimborazo que juntos conforman uno de los microcentros de mayor biodiversidad de tubérculos alto andinos nativos del Ecuador.
Verónica Soledad Estrada Aguayo +1 more
doaj +1 more source
Plant conservation in a changing Mediterranean world
The Mediterranean is one of five climatic regions on the planet characterised by a prolonged summer drought, exceptional plant diversity and high rates of endemism. We provide a framework to link the ecology of plant species conservation in the context of rapid and extreme climate deregulation to a philosophical typology of temporal attitudes (i.e ...
John D. Thompson +3 more
wiley +1 more source
In situ CONSERVATION AND PARTICIPATIVE IMPROVEMENT OF CREOLE MAIZE IN THE PENINSULA DE YUCATAN
The objectives of this study were to estimate the diversity of maize farmed by maize growers (“milperos”) of the Yucatan Peninsula, to review the state of maize conservation from 1948 to 2010, and to try out participative methods to best conservation and
Luis A. Dzib-Aguilar +2 more
doaj
Rarity patterns and conservation priorities in Cactaceae species from the Southern Central Andes: a case study from the Calchaquíes Valleys, Salta, Argentina [PDF]
En este trabajo se estudiaron 34 especies de Cactaceae de los Valles Calchaquíes, Argentina, para determinar 1) el nivel de rareza de las especies, 2) la proporción de especies raras entre grupos taxonómicos y ecológicos, y 3) la consistencia espacial de
Aagesen, Lone +5 more
core

