Ecology of Nepenthes on Mount Talang, West Sumatra, Indonesia

IF 1.1 4区环境科学与生态学 Q4 ECOLOGY Tropical Ecology Pub Date : 2024-02-28 DOI:10.1007/s42965-024-00333-0

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Abstract

Gunung (Mount) Talang is an active volcano in West Sumatra that has a number of Nepenthes species, including the endemic N. talangensis, but their ecology has been little been studied. This study found five species of Nepenthes growing in the protected forest area of Gunung Talang, namely N. bongso, N. inermis, N. pectinata, N. spathulata and N. talangensis. The population of N. talangensis is very small (23 individuals) and it grows sympatrically with N. bongso and N. inermis forming natural hybrids. Lithocarpus conocarpus, Camellia lanceolata, Syzygium acuminatissimum, Adinandra dumosa and Dehaasia sp. are the five most dominant tree species found in the Nepenthes habitat, while L. conocarpus and Podocarpus neriifolius had strong positive associations with N. talangensis. Growth rates of the five Nepenthes species were not significantly different, neither were foliar nitrogen (mean = 1.14%) or phosphorus concentrations (mean = 0.11%). We suggest that N. talangensis should be considered as Critically Endangered and outline some possible conservation actions.

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印度尼西亚西苏门答腊塔朗山上的裙带菜生态学

摘要塔朗山（Gunung Talang）是西苏门答腊的一座活火山，这里有许多景天科植物，包括特有的塔朗景天（N. talangensis），但对它们的生态学研究却很少。本研究发现，Gunung Talang 的保护林区生长着五种景天科植物，即 N. bongso、N. inermis、N. pectinata、N. spathulata 和 N. talangensis。N. talangensis 的种群数量很少（23 个），它与 N. bongso 和 N. inermis 同域生长，形成自然杂交种。石松、山茶（Camellia lanceolata）、茜草（Syzygium acuminatissimum）、杜鹃（Adinandra dumosa）和棣棠（Dehaasia sp.）是尼泊尔草栖息地中最主要的五种树种，而石松（L. conocarpus）和荚蒾（Podocarpus neriifolius）与塔郎草（N. talangensis）有很强的正相关性。五种景天科植物的生长速度没有显著差异，叶面氮（平均值 = 1.14%）或磷（平均值 = 0.11%）浓度也没有显著差异。我们建议将 N. talangensis 视为极度濒危物种，并概述了一些可能的保护措施。

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来源期刊

Tropical Ecology ECOLOGY-

CiteScore

3.30

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： Tropical Ecology is devoted to all aspects of fundamental and applied ecological research in tropical and sub-tropical ecosystems. Nevertheless, the cutting-edge research in new ecological concepts, methodology and reviews on contemporary themes, not necessarily confined to tropics and sub-tropics, may also be considered for publication at the discretion of the Editor-in-Chief. Areas of current interest include: Biological diversity and its management; Conservation and restoration ecology; Human ecology; Ecological economics; Ecosystem structure and functioning; Ecosystem services; Ecosystem sustainability; Stress and disturbance ecology; Ecology of global change; Ecological modeling; Evolutionary ecology; Quantitative ecology; and Social ecology. The Journal Tropical Ecology features a distinguished editorial board, working on various ecological aspects of tropical and sub-tropical systems from diverse continents. Tropical Ecology publishes: · Original research papers · Short communications · Reviews and Mini-reviews on topical themes · Scientific correspondence · Book Reviews