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En enero, abril y junio de 2003 se generaron series de tiempo de las tasas de pas toreo, ingesta y filtración de Acartia clausi utilizando el método de balance, en una estación de muestreo en la Bahía de La Paz, México.
Con el objetivo de identificar las especies de roedores pequeños asociadas a un sistema de producción de ganado de leche ubicado en Turrialba, Cartago, Costa Rica, se muestreó durante los meses de mayo del 2007 a abril del 2008 un área de potrero con cobertura permanente de pasto estrella african
Little information is available about the effects of global warming and land management on dissolved organic carbon (DOC) concentration in soil solution in the field.
The industrialization of agriculture in western societies has often led to either intensified use or abandonment of farmland and open pastures, but experimental evidence on how the dynamics of farmed ecosystems affect space use by large herbivores is limited.
There is an increasing understanding that forests and the forestry sector are key elements in poverty reduction strategies in Africa. However, issues of equity between various forest users are becoming a major challenge to environmental development, forest management and poverty reduction.
The study was carried out in Metema Woreda of Amhara National Regional State.
Transhumance, the seasonal movement of herds occurring between two points and following precise routes repeated each year, is practiced on a broad scale in the open field areas of Tigray (North Ethiopia).
Improper cropping and overgrazing have led to land degradation in semi-arid regions, resulting in desertification. During desertification, vegetation changes have been widely observed, and are likely controlled to some extent by soil water.
The complex interactions between human activity and natural processes determine non-linear dynamics in ecosystems that can difficult their management.
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