J. F. Navia, Wilmer Libey Delgado-Gualmatán, Tulio César Lagos-Burbano
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引用次数: 0
摘要
了解土壤大型动物及其分布对预测土壤的退化状况、土壤的物理性质和生物成分具有重要意义。这项研究是在哥伦比亚南部的220A和221A咖啡生态环境中进行的。在冬季和夏季两个不同的季节,对两种系统进行了评估,即阿拉比卡咖啡和原生森林咖啡。采用热带土壤生物学和肥力程序(TSBF)方法进行采样。采用非参数方差分析Kruskal-Wall检验进行统计处理。结果表明,220A和221A森林系统冬季密度最高,平均为9.33目/ m2和9.67目/ m2;220A和221A生态区冬季、森林系统和咖啡区个体密度最高,平均在1808 ~ 1368只/ m2之间,统计上超过夏季个体密度。生物量在冬季的贡献最大,220A和221A生境的平均生物量分别为186.5 g / m2和205.74 g / m2,超过了220A和221A生境在咖啡冬季的生物量。
Macrofauna evaluation in two coffee agroforestry systems
Knowing the soil macrofauna and its distribution is important to predict the degradation state of a soil as well as its physical properties and biological components. This research was carried out in coffee ecotopes 220A and 221A in southern Colombia. Two systems were evaluated, Coffea arabica var Castillo and native forest coffee, during two different seasons, winter and summer. Sampling was carried out using the tropical soil biology and fertility program (TSBF) methodology. The statistical treatment was carried out by means of a non-parametric analysis of variance Kruskal-Wall test. The density of orders present per square meter was evaluated, demonstrating that the highest density occurred in the winter season in the ecotope 220A and 221A forest system, with averages of 9.33 orders/ m2 and 9.67 orders/ m2, respectively. The highest number of density of individuals was obtained in winter, in the forest system and coffee in the 220A and 221A ecotopes with averages ranging between 1808 individuals/ m2 and 1368 individuals/ m2, statistically exceeding the number of individuals/ m2 that appeared in summer season. For biomass, the highest contribution was obtained in the winter season, with averages of 186.5 grams/ m2 in the 220A ecotope and 205.74 grams/ m2 for the 221A ecotope, exceeding the biomass that was presented in coffee winter season time, both in the 220A and 221A ecotopes.