Relação entre o estrato lenhoso e a disponibilidade de matéria seca do estrato herbáceo em caatinga rateada enriquecida com capim buffel (Cenchrus cilaris).

Abstract

This study aimed to evaluate the density of woody species, coverage of of their crowns in the soil and the relationship of these aspects with the availability of dry savanna in the herb layer thinned and enriched with buffel grass, developing all phases recommended by current literature to achieve this objetivo. The data collected were tabulated and analyzed using the programs Excel and estatistica. O experiment was conducted in the physical area of the farm belonging to Lameirao Health Centers and Rural Technology, Federal University of Campina Grande - CSTR / UFCG on the physiographic zone of the Wild Paraiba in the municipality of Santa Terezinha, Paraiba, in certain areas of 2.4 for total, is divided into paddocks of 0.6 ha. The methodology used in this experiment was based on the plan, which uses the estimate of canopy cover by calculating the sum of the areas of projection of the canopies in relation to the sampling area. The availability of herbaceous MS was evaluated as a sampling unit, a frame of iron with 1.00 x 0.25 m in size, adapting the methodology described by Araujo Filho et al. (1986). The analysis confirmed also that the experiment has reliability and validity, and therefore can be used to describe, with scientism, the parameters related to canopy cover and availability of herbaceous MS.