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From tropical forest to agroecosystems: changes in functional and species diversity of lizards in Mexican Caribbean
Agroforestry Systems ( IF 2.2 ) Pub Date : 2024-02-09 , DOI: 10.1007/s10457-023-00923-2
Luis M. Badillo-Saldaña , E. Pineda , A. Ramírez-Bautista

The transformation of tropical forests to agricultural systems modifies the diversity of species. Species respond differentially to disturbance depending on how they interact with their environment; therefore, the diversity of species that results following the transformation of a tropical forest could depend on the type of agricultural system that is established and the traits and functions of the species that make up the native communities. In this study, the effect of establishing two agricultural systems on an assemblage of tropical forest lizards was evaluated. To do so, the functional diversity and species diversity of lizards in tropical forest, a lime crop, and a coconut crop in southeastern Mexico were analyzed. The results showed that both the functional diversity and the diversity of species decreased when the tropical forest was transformed into either of these agricultural systems. However, this decrease differs in magnitude depending on the type of crop, since in the lime crop (less heterogeneous) there was a greater reduction in species richness, of functional groups, and of the members of the functional groups than in the coconut crop (more heterogeneous). The agricultural systems studied are not capable of maintaining the diversity of native species or the functional diversity of tropical forest lizards. Therefore, in landscapes modified by humans, it is essential to maintain fragments of native forest between agricultural plots to conserve those species highly susceptible to tropical forest transformation, as well as assemblages of species with a wide variety of functional traits.



中文翻译:

从热带森林到农业生态系统:墨西哥加勒比地区蜥蜴功能和物种多样性的变化

热带森林向农业系统的转变改变了物种的多样性。物种对干扰的反应有所不同,具体取决于它们与环境的相互作用方式。因此,热带森林转变后产生的物种多样性可能取决于所建立的农业系统的类型以及构成当地群落的物种的特征和功能。在这项研究中,评估了建立两种农业系统对热带森林蜥蜴群落的影响。为此,我们分析了墨西哥东南部热带森林、酸橙作物和椰子作物中蜥蜴的功能多样性和物种多样性。结果表明,当热带森林转变为这两种农业系统时,功能多样性和物种多样性都会下降。然而,这种减少的幅度根据作物类型而有所不同,因为在酸橙作物(异质性较小)中,物种丰富度、官能团和官能团成员的减少幅度比椰子作物更大。更加异质)。研究的农业系统无法维持本地物种的多样性或热带森林蜥蜴的功能多样性。因此,在人类改造的景观中,必须维持农业用地之间的原生森林碎片,以保护那些极易受热带森林改造影响的物种,以及具有多种功能性状的物种组合。

更新日期:2024-02-09
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