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首页> 美国卫生研究院文献>Zoological Studies >Changes of the Macrobenthic Faunal Community with Stand Age of a Non-nativeMangrove Species in Futian Mangrove National Nature Reserve GuangdongChina
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Changes of the Macrobenthic Faunal Community with Stand Age of a Non-nativeMangrove Species in Futian Mangrove National Nature Reserve GuangdongChina

机译：大型底栖动物群落的外源年龄变化广东福田红树林国家级自然保护区的红树林物种中国

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摘要

, a non-native superior rapidly growingmangrove species with wide environmental tolerance, has been introduced to Futian NationalNature Reserve in Shenzhen, Guangdong, China, for mangrove restoration since 1993.However, the community structure of the associated macrobenthic fauna, a vital componentof energy ow and nutrient recycling, remains obscure. The present study analyzed themacrobenthic faunal community, associated habitat characteristics and physico-chemicalproperties of sediment in rehabilitated forests at stand agesof 8, 9, 14, 16 and 20 years from November 2014 to May 2015. Habitat complexity and standstructural heterogeneity varied with stand age. Sediment physico-chemical properties weresimilar for all stands analyzed, although soil organic matter (SOM) content wassignificantly higher in the 20-year-old stand than in others. Shannon-Weaver( ) and Pielou’s evenness ( ) indices of macrobenthicfauna were highest in 14- and 16-year- old stands, respectively, and lowest in 8-year-oldstands. In contrast, abundance and biomass peaked in 8-year- old stands and were lowest in16-year-old stands. Multivariate analysis (cluster, ANOSIM and SIMPER) showed that themacrobenthic faunal community in the 20-year-old stand was different from other stand agesbecause of a greater abundance of small-sized mollusks and opportunistic species. Spearmancorrelation analysis showed that was positively correlated withsalinity. The distance-based linear model suggested that SOM was a significant predictorvariable correlated with the macrobenthic faunal community. However, SOM was the onlysignificant predictor variable explaining 12.7% of the total variation; this implies thatthe spatial variation of the macrobenthic faunal community here was mostly independent ofthe sediment properties measured. Therefore, we conclude that habitat characteristics suchas vegetation characteristics can potentially explain the majority of the variation.
机译：，非本地上级快速成长已将具有广泛环境耐受性的红树林物种引入福田自1993年以来位于中国广东深圳的自然保护区，用于恢复红树林。但是，相关的大型底栖动物群落结构是至关重要的组成部分能量流和养分循环利用的前景仍然不明朗。本研究分析了大型底栖动物群落，相关的生境特征和理化林分年龄恢复后森林的沉积物特性从2014年11月至2015年5月为期8、9、14、16和20年。结构异质性随林分年龄而变化。沉积物理化性质尽管土壤有机质（SOM）含量为20岁的展台比其他展台高得多。香农韦弗（）和Pielou的均匀度（）指数动物区系分别在14岁和16岁的林分中最高，而在8岁的林分中最低站立。相反，丰度和生物量在8岁的林分中达到峰值，而在8年龄中最低。16岁的看台。多变量分析（集群，ANOSIM和SIMPER）表明，20岁林分中的大型底栖动物群落不同于其他林分年龄因为小型软体动物和机会主义物种的数量更多。长矛兵相关分析表明与盐度。基于距离的线性模型表明SOM是一个重要的预测指标与大型底栖动物群落有关的变量。但是，SOM是唯一的显着的预测变量，解释了总变异的12.7％;这意味着这里大型底栖动物群落的空间变化主要独立于测得的沉积物特性。因此，我们得出这样的结论：因为植被特征可以解释大部分变化。

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