Changes in the potential distribution of valuable tree species based on their regeneration in the Neotropical seasonal dry forest of north-western Argentina

IF 2.2 3区环境科学与生态学 Q2 BIODIVERSITY CONSERVATION

Environmental Conservation Pub Date : 2022-04-08 DOI:10.1017/S0376892922000133

Fabio Alabar, N. Politi, Paula Názaro, M. Amoroso, L. Rivera

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引用次数: 1

Abstract

Summary The distribution of regeneration makes it possible to assess whether populations of tree species will maintain or change their distributions. For Neotropical dry forests there is little information on the potential changes in the distribution of tree species. Here, we evaluate the potential distributions of adults and seedlings of eight timber tree species of the Piedmont Forest of north-western Argentina by recording the presence of seedlings and adults in plots and modelling with MaxEnt software using three bioclimatic variables. The potential distribution areas of seedlings and adults and the percentage of overlap of seedlings with respect to adults were calculated. The potential distribution for adults was 694 457 ± 62 535 ha, and this figure was 656 564 ± 194 769 ha for seedlings. The potential distribution of seedlings of Calycophyllum multiflorum covered the smallest area (184 496 ha) and had the least overlap with the adults (18%). The difference in the overlap of the potential distribution areas between adults and seedlings suggests that there could be changes in the future distribution of this tree species and C. multiflorum should therefore be the focus of conservation strategies so that the species can follow its bioclimatic niche as the climate changes.

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阿根廷西北部新热带季节性干燥森林中基于再生的有价值树种潜在分布的变化

更新的分布使评估树种种群是否会保持或改变其分布成为可能。对于新热带干燥森林，关于树种分布的潜在变化的资料很少。本文利用MaxEnt软件，利用3个生物气候变量，对阿根廷西北部Piedmont森林8种木材树种的成虫和幼苗的潜在分布进行了评估。计算了幼苗和成虫的潜在分布面积以及幼苗相对于成虫的重叠率。成虫的潜在分布为694 457±62 535 ha，幼苗的潜在分布为656 564±194 769 ha。何首乌苗木潜在分布面积最小(184 496 ha)，与成虫重叠最少(18%);成树和幼苗的潜在分布区域重叠的差异表明，该树种未来的分布可能会发生变化，因此应成为保护策略的重点，使该物种能够随着气候的变化而遵循其生物气候生态位。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Environmental Conservation 环境科学-环境科学

CiteScore

5.20

自引率

3.70%

发文量

审稿时长

>36 weeks

期刊介绍： Environmental Conservation is one of the longest-standing, most highly-cited of the interdisciplinary environmental science journals. It includes research papers, reports, comments, subject reviews, and book reviews addressing environmental policy, practice, and natural and social science of environmental concern at the global level, informed by rigorous local level case studies. The journal"s scope is very broad, including issues in human institutions, ecosystem change, resource utilisation, terrestrial biomes, aquatic systems, and coastal and land use management. Environmental Conservation is essential reading for all environmentalists, managers, consultants, agency workers and scientists wishing to keep abreast of current developments in environmental science.