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当前位置: 首页 > 文章 > 茅埏岛大型底栖动物次级生产力时空变化 生态学杂志 2016,35 (1) 174-182
Position: Home > Articles > Secondary productivity of macrobenthos at different habitats of Maoyan Island Chinese Journal of Ecology 2016,35 (1) 174-182

茅埏岛大型底栖动物次级生产力时空变化

作  者：
任鹏;李海宏;鲍毅新;龚堃
单  位：
浙江师范大学生态研究所
关键词：
次级生产力;大型底栖动物;红树林;互花米草
摘  要：
2012年11月—2014年7月,分季度对茅埏岛潮间带不同生境大型底栖动物进行调查,对其物种组成、生物量、次级生产力和P/B值进行了比较分析。结果表明:大型底栖动物的生物量在生境间为红树林(16.58±6.21 g·m~(-2))>互花米草(14.16±13.87 g·m~(-2))>光滩(9.97±6.43 g·m~(-2)),各生境的生物量冬季时均最低;生物量在3种生境间差异不显著(P>0.05),在季节间差异显著(P<0.05);在站点中以南滩村红树幼林最高(52.22±28.00g·m~(-2)),电站互米花草最低(5.44±2.68 g·m~(-2));生物量在10个站点间差异极显著(P<0.01),在季节间差异显著(P<0.05);次级生产力在生境间为红树林(10.60 g AFDW·m~(-2)·a~(-1))>光滩(9.00 g AFDW·m~(-2)·a~(-1))>互花米草(8.99 g AFDW·m~(-2)·a~(-1)),3种生境次级生产力均在冬季时最低;P/B值为光滩(0.90)>红树林(0.64)=互花米草(0.64);P/B值在春冬两季均高于夏秋两季;茅埏岛潮间带引种秋茄红树,形成的红树林生境具有较高的次级生产力,以人工红树林取代互花米草是治理其入侵的有效措施。
译  名：
Secondary productivity of macrobenthos at different habitats of Maoyan Island
作  者：
REN Peng;LI Hai-hong;BAO Yi-xin;GONG Kun;Institute of Ecology,Zhejiang Normal University;
关键词：
secondary productivity;;macrobenthos;;mangrove;;Spartina alterniflora
摘  要：
From November 2012 to July 2014,a survey on macrobenthos at three habitats( mangrove,Spartina alterniflora and natural tidal flat) in the tidal flat of Maoyan Island was quarterly conducted to compare their species composition,biomass,secondary productivity,and P / B values. The results showed that the biomass of macrobenthos was in order of mangrove( 16.58±6.21g·m~(-2)) > S. alterniflora( 14.16±13.87 g·m~(-2)) > natural tidal flat( 9.97±6.43 g·m~(-2)). The biomass of each habitat was lowest in winter. Two-way ANOVA analysis showed that the three habitats had no significant differences in biomass( P = 0. 276),but different seasons did have( P = 0.042). In addition,biomass varied greatly among ten sites( P = 0.000) and different seasons( P = 0.032). The secondary productivity of macrobenthos was in order of mangrove( 10.60 g AFDW·m~(-2)·a~(-1)) > natural tidal flat( 9.00 g AFDW·m~(-2)·a~(-1)) > S. alterniflora( 8.99 g AFDW·m~(-2)·a~(-1)),and the secondary productivity of macrobenthos at each habitat was lowest in winter. The P / B value of the natural tidal flat was highest( 0.90),followed by mangrove and S. alterniflora( 0.64 for both). The P / B values in spring and winter were higher than in summer and autumn. Collectively,the mangrove habitats in Maoyan Island had higher secondary productivity,and planting mangrove to take the place of S. alterniflora would be an efficient way to control its invasion.

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