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A forest growth dynamic indicator. Repositório Alice
LEAL, V.; COSTA, T.; SILVA, A..
The dynamics of forest growth are related to the succession stage, the quality of the environment and the degree of anthropism. The growth of a forest is given by the activity of live trees, mortality, and trees that are cut or recruited during the growing period. A way of representing the growth dynamics of a forest is by the Transition Matrix, with the divisibility of the population in states, with probabilities of movement from one state to another, over time. Forest dynamics studies are carried out by means of a continuous forest inventory, allowing the calculation of gains and losses in basal area, mortality rates and ingrowth. In this study, the measurements were performed with a 5-year interval, on 27 plots distributed in 12 sites. The methodology...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Matriz de transição; Dinâmica de crescimento; Floresta; Meio ambiente.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1081579
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Nutritional contribution model of litterfall for adjacent areas according to the distance of forest. Repositório Alice
COSTA, T.; COSTA, L.; ALMEIDA, L..
The goal of this study is to evaluate the drift of litterfall from forest to adjacent areas, validate a method to estimate the drift with water balance, direction and speed of winds and quantify the nutrients of litterfall in nearby area of the forest patch as function of distance. This phenomenon can be considered an ecosystem service to improve soil quality of the agriculture crops around the forests by nutrient input coming from the litterfall. The experiment was installed in adjacent areas of the tropical forest at central region of the State of Minas Gerais, Brazil. The branches, reproductive material and leaves which fell were measured for three years into the forest and adjacents areas. The sampled nets were located on edge and equal distances from...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Modelagem; Ecossistema; Resíduo; Floresta.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1081576
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