Productividad primaria de tres praderas de especies tropicales: pará (Brachiaria mutica), Grama amarga (Paspalum conjugatum) y Pangola (Digitaria decumbens)
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چکیده
منابع مشابه
Cambios Rpidos en las Directrices en Comunidades de Pescadores de Yangtze y en la Memoria Local de Especies Extintas
Local ecological knowledge can provide a unique source of data for conservation, especially in efforts to investigate the status of rare or possibly extinct species, but it is unlikely to remain constant over time. Loss of perspective about past ecological conditions caused by lack of communication between generations may create “shifting baseline syndrome,” in which younger generations are les...
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Amphibians are declining worldwide, but these declines have been particularly dramatic in tropical mountains, where high endemism and vulnerability to an introduced fungal pathogen, Batrachochytrium dendrobatidis (Bd), is associated with amphibian extinctions. We surveyed frogs in the Peruvian Andes in montane forests along a steep elevational gradient (1200–3700 m). We used visual encounter su...
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I. Pangola grass (Digitaria decumbens) was grown with or without sulphur fertilizer, cut at seven stages of growth, dried and given to sheep with or without a supplement of 0.6 g S as sodium sulphateld. Voluntary intake and digestibility of dry matter (DM) and retention time in the reticulo-rumen, of various components of the grasses were determined. 2. Grass grown on the S-fertilized plots had...
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ژورنال
عنوان ژورنال: Botanical Sciences
سال: 2017
ISSN: 2007-4476,2007-4298
DOI: 10.17129/botsci.1240