Impact of Spartina alterniflora on benthic macro-invertebrates communities on mangrove wetland in Xicungang Estuary, Guangxi

doi:10.3724/SP.J.1003.2014.00109

Abstract

Abstract:

In order to assess the ecological impacts of Spartina alterniflora on mangrove ecosystems, we investigated macro-invertebrate communities in S. alterniflora wetlands and a mangrove wetland between October 2012 and September 2013, in the Xicungang estuary, Guangxi Zhuang Autonomous Region. The species composition, biomass and diversity of macro-invertebrates were compared at different times between the mangrove habitat and S. alterniflora community. Sixteen species from Arthropoda, Mollusca, Annelida, Cnidadia and Sipuncula were collected from the two habitats. Twelve species were found in mangrove wetlands whereas 10 species were found in S. alterniflora wetlands. Perhaps due to the invasion of S. alterniflora, Glauconome chinensis became the predominant species, leading to a greater macro-invertebrate biomass in S. alterniflora wetlands than in mangrove wetland. On the other hand, the Margalef, Shannon-Wiener index, Simpson and Pieous diversity indices of macro-invertebrates were lower in S. alterniflora habitat than in mangrove habitat. Two-way ANOVA was used to analyze the effect of sampling periods and habitats on the number of species, biomass and diversity indices of macro-invertebrates. Our results showed that Shannon- Wiener index and Simpson diversity indices differed between the two habitats, the Margalef and Pieous diversity indices differed among sampling periods, number of species and biomass were affected by both habitats and sampling periods. Based on multiple linear regression analyses, macro-invertebrate biomass was related to the density of S. alterniflora, and Shannon-Wiener, Simpson diversity and species richness of macro-invertebrates were all related with the height of S. alterniflora. According to our NMDS (non-metric multidimensional scaling) analysis, macro-invertebrate communities in S. alterniflora habitat mainly differed from those of mangrove habitats due to sampling periods. In conclusion, the invasion of S. alterniflora in mangrove wetlands in Xicungang estuary increased the biomass of macro-invertebrates, while decreased the diversity of them, and also changed the community structure of macro-invertebrate assemblages.

Key words: macro-invertebrates, Spartina alterniflora, community structure, biodiversity biological invasion

Caiyun Zhao, Xiaoyan Liu, Jiade Bai, Fengchun Lü, Junsheng Li. Impact of Spartina alterniflora on benthic macro-invertebrates communities on mangrove wetland in Xicungang Estuary, Guangxi[J]. Biodiv Sci, 2014, 22(5): 630-639.

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URL: https://www.biodiversity-science.net/EN/10.3724/SP.J.1003.2014.00109

https://www.biodiversity-science.net/EN/Y2014/V22/I5/630

Figures/Tables 6

References 44

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门 Phyla	纲 Class	科 Family	种 Species	互花米草Spartinar alterniflora	红树林Mangrove
节肢动物门 Arthropoda	甲壳纲 Crustacea	和尚蟹科 Mictyridae	短指和尚蟹 Mictyris brevidactylus	+	+
		沙蟹科 Ocypodidae	沙蟹 Ocypodidae, sp.	+	+
			弧边招潮蟹 Uca arcuata	-	+
		藤壶科 Balanuidae	藤壶 Balanus sp.	-	+
软体动物门 Mollusca	腹足纲 Gastropoda	汇螺科 Potamididae	汇螺 Potamididae, sp.	-	+
		滨螺科 Littorinidae	黑口拟滨螺 Littoraia melanostoma	+	+
		蜑螺科 Neritidae	奥莱彩螺 Clithon oualaniensis	+	+
	双壳纲 Bivalvia	满月蛤科 Lucinidae	满月蛤 Lucinidae, sp.	+	-
		绿螂科 Glauconcomidae	中国绿螂 Glauconome chinensis	++	+
		樱蛤科 Tellinidae	透明美丽蛤 Tellina diaphana	-	+
	多板纲 Polyplacophora	锉石鳖科 Ischnochitonidae	锉石鳖 Ischnochitonidae, sp.	-	+
		石鱉科 Chitonidae	石鳖 Chitonidae, sp.	+	+
		多板纲 Polyplacophora	多板 Polyplacophora, sp.	+	-
环节动物门 Annelida	多毛纲 Polychaeta	沙蚕科 Nereididae	沙蚕 Nereididae, sp.	+	-
星虫动物门 Sipuncula	方格星虫纲 Sipunculidea	方格星虫科 Sipunculidae	裸体方格星虫 Sipunculus nudus	-	+
腔肠动物门 Cnidaria	珊瑚纲 Anthozoa	石珊瑚目 Madreporaria	石珊瑚 Madreporaria, sp.	+	-

门 Phyla	纲 Class	科 Family	种 Species	互花米草Spartinar alterniflora	红树林Mangrove
节肢动物门 Arthropoda	甲壳纲 Crustacea	和尚蟹科 Mictyridae	短指和尚蟹 Mictyris brevidactylus	+	+
		沙蟹科 Ocypodidae	沙蟹 Ocypodidae, sp.	+	+
			弧边招潮蟹 Uca arcuata	-	+
		藤壶科 Balanuidae	藤壶 Balanus sp.	-	+
软体动物门 Mollusca	腹足纲 Gastropoda	汇螺科 Potamididae	汇螺 Potamididae, sp.	-	+
		滨螺科 Littorinidae	黑口拟滨螺 Littoraia melanostoma	+	+
		蜑螺科 Neritidae	奥莱彩螺 Clithon oualaniensis	+	+
	双壳纲 Bivalvia	满月蛤科 Lucinidae	满月蛤 Lucinidae, sp.	+	-
		绿螂科 Glauconcomidae	中国绿螂 Glauconome chinensis	++	+
		樱蛤科 Tellinidae	透明美丽蛤 Tellina diaphana	-	+
	多板纲 Polyplacophora	锉石鳖科 Ischnochitonidae	锉石鳖 Ischnochitonidae, sp.	-	+
		石鱉科 Chitonidae	石鳖 Chitonidae, sp.	+	+
		多板纲 Polyplacophora	多板 Polyplacophora, sp.	+	-
环节动物门 Annelida	多毛纲 Polychaeta	沙蚕科 Nereididae	沙蚕 Nereididae, sp.	+	-
星虫动物门 Sipuncula	方格星虫纲 Sipunculidea	方格星虫科 Sipunculidae	裸体方格星虫 Sipunculus nudus	-	+
腔肠动物门 Cnidaria	珊瑚纲 Anthozoa	石珊瑚目 Madreporaria	石珊瑚 Madreporaria, sp.	+	-

采样时间 Time	生境 Habitat	甲壳纲 Crustacea	腹足纲 Gastropoda	双壳纲 Bivalvia	多板纲 Polyplacophora	多毛纲 Polychaeta	方格星虫纲Sipunculidea	珊瑚纲 Anthozoa	合计 Sum
2012.10	互花米草 Spartina alterniflora	0.040	0.008	3.063	0.030	0.005	0.00	0.005	3.151
2012.10	红树林 Mangrove	0.094	0.037	0.057	0.00	0.00	0.00	0.00	0.188
2012.12	互花米草 Spartina alterniflora	0.002	0.00	2.997	0.00	0.00	0.00	0.00	2.999
2012.12	红树林 Mangrove	0.206	0.00	0.144	0.00	0.00	0.00	0.00	0.350
2013.5	互花米草 Spartina alterniflora	0.020	0.060	0.435	0.00	0.002	0.00	0.00	0.517
2013.5	红树林 Mangrove	0.008	0.006	0.00	0.00	0.00	0.00	0.00	0.014
	互花米草 Spartina alterniflora	0.028	0.043	15.747	0.032	0.00	0.00	0.00	15.850
2013.9	红树林 Mangrove	0.087	0.003	0.335	0.074	0.00	0.030	0.00	0.530
合计 Sum		0.486	0.157	22.778	0.136	0.006	0.030	0.005	23.598

采样时间 Time	生境 Habitat	甲壳纲 Crustacea	腹足纲 Gastropoda	双壳纲 Bivalvia	多板纲 Polyplacophora	多毛纲 Polychaeta	方格星虫纲Sipunculidea	珊瑚纲 Anthozoa	合计 Sum
2012.10	互花米草 Spartina alterniflora	0.040	0.008	3.063	0.030	0.005	0.00	0.005	3.151
2012.10	红树林 Mangrove	0.094	0.037	0.057	0.00	0.00	0.00	0.00	0.188
2012.12	互花米草 Spartina alterniflora	0.002	0.00	2.997	0.00	0.00	0.00	0.00	2.999
2012.12	红树林 Mangrove	0.206	0.00	0.144	0.00	0.00	0.00	0.00	0.350
2013.5	互花米草 Spartina alterniflora	0.020	0.060	0.435	0.00	0.002	0.00	0.00	0.517
2013.5	红树林 Mangrove	0.008	0.006	0.00	0.00	0.00	0.00	0.00	0.014
	互花米草 Spartina alterniflora	0.028	0.043	15.747	0.032	0.00	0.00	0.00	15.850
2013.9	红树林 Mangrove	0.087	0.003	0.335	0.074	0.00	0.030	0.00	0.530
合计 Sum		0.486	0.157	22.778	0.136	0.006	0.030	0.005	23.598