生物多样性 ›› 2010, Vol. 18 ›› Issue (1): 60-66. DOI: 10.3724/SP.J.1003.2010.060 cstr: 32101.14.SP.J.1003.2010.060
所属专题: 红树林及红树植物
收稿日期:
2008-11-28
接受日期:
2009-02-28
出版日期:
2010-01-20
发布日期:
2010-01-20
通讯作者:
周细平
Xiping Zhou*(), Lizhe Cai, Sujing Fu, Wen Wang
Received:
2008-11-28
Accepted:
2009-02-28
Online:
2010-01-20
Published:
2010-01-20
Contact:
Xiping Zhou
About author:
* E-mail: zxp020@gmail.com摘要:
底栖动物群落是红树林生态系统多样性研究的重要内容之一。为了解大型底栖动物群落对高有机质含量和富营养的红树林生境的响应, 从2006年4月到2007年1月, 对福建省同安湾红树林生境和非红树林生境大型底栖动物群落及其时空变化进行了研究。我们在同安湾红树林种植区设置了凤林(FL)和山后亭(XA)两条断面, 每条断面在红树林内各设2个取样站(FL1, FL2, XA-A和XA-B), 林外各设1个取样站(FL3和XA-C)。底质研究结果显示凤林3个取样站(FL1, FL2和FL3)的有机质含量均超过底质污染评价标准的临界值3.4%, 且无论凤林还是山后亭, 红树林生境的有机质含量均要高过非红树林生境。共获得大型底栖动物91种, 其中在红树林生境内获得77种, 高于非红树林生境内获得的67种。红树林生境和非红树林生境的大型底栖动物平均栖息密度分别为4,445.8 inds/m2和1,707.2 inds/m2, 平均生物量分别为51.1 g/m2 和 94.6 g/m2。独立样本t-检验结果显示, 红树林生境和非红树林生境大型底栖动物平均栖息密度和平均生物量均存在显著差异。研究结果指示红树林生境对于寡毛类生存(如在高耐有机污染中能大量繁殖的沼蚓)有积极作用。但由于邻近的非红树林林生境的水淹时间更长, 一些具有移动能力的软体动物和甲壳动物能迁移到更适合生存的非红树林生境中去。其他底质因子如盐度和土壤中值粒径等也会影响大型底栖动物群落变化。
周细平, 蔡立哲, 傅素晶, 王雯 (2010) 福建同安湾潮间带红树林生境与非红树林生境大型底栖动物群落比较. 生物多样性, 18, 60-66. DOI: 10.3724/SP.J.1003.2010.060.
Xiping Zhou, Lizhe Cai, Sujing Fu, Wen Wang (2010) Comparative study of the macrobenthic community in intertidal mangrove and non-mangrove habitats in Tong’an Bay, Fujian Province. Biodiversity Science, 18, 60-66. DOI: 10.3724/SP.J.1003.2010.060.
Stations | ||||||
---|---|---|---|---|---|---|
FL1 | FL2 | FL3 | XA-A | XA-B | XA-C | |
Mean salinity | 25.20 | 25.80 | 26.60 | 27.30 | 27.50 | 27.70 |
Median particle diameter (Ф: μm) | 15.24 | 18.60 | 22.54 | 12.64 | 14.46 | 16.34 |
Total organic matter (%) | 4.22 | 4.56 | 3.87 | 2.96 | 2.79 | 2.45 |
Table 1 Sediment salinity, median particle diameter and total organic matter at the six stations
Stations | ||||||
---|---|---|---|---|---|---|
FL1 | FL2 | FL3 | XA-A | XA-B | XA-C | |
Mean salinity | 25.20 | 25.80 | 26.60 | 27.30 | 27.50 | 27.70 |
Median particle diameter (Ф: μm) | 15.24 | 18.60 | 22.54 | 12.64 | 14.46 | 16.34 |
Total organic matter (%) | 4.22 | 4.56 | 3.87 | 2.96 | 2.79 | 2.45 |
Parameter | Fenglin (2006-2007) | Shanhouting (2006-2007) | Natural Fenglin (2002) ( |
---|---|---|---|
Species number | 65 | 68 | 42 |
Mean density (inds/m2) | 5,575 | 1,625 | 1,990 |
Mean biomass (g/m2) | 88.03 | 49.17 | 139.00 |
Dominant group in density | Oligochaeta | Crustacea | Gastropoda |
Dominant group in biomass | Gastropoda | Crustacea | Gastropoda |
Mean TOM (%) | 4.22 | 2.71 | 2.22 |
Mean H’ value | 1.26 | 2.31 | 2.66 |
Mean J value | 0.30 | 0.55 | - |
Table 2 A comparison of historical data of macrobenthic communities in Tong’an Bay mangrove areas
Parameter | Fenglin (2006-2007) | Shanhouting (2006-2007) | Natural Fenglin (2002) ( |
---|---|---|---|
Species number | 65 | 68 | 42 |
Mean density (inds/m2) | 5,575 | 1,625 | 1,990 |
Mean biomass (g/m2) | 88.03 | 49.17 | 139.00 |
Dominant group in density | Oligochaeta | Crustacea | Gastropoda |
Dominant group in biomass | Gastropoda | Crustacea | Gastropoda |
Mean TOM (%) | 4.22 | 2.71 | 2.22 |
Mean H’ value | 1.26 | 2.31 | 2.66 |
Mean J value | 0.30 | 0.55 | - |
Localities | Species number | Mean density (inds/m2) | Mean biomass (g/m2) | TOM | Sieve size (mm) |
---|---|---|---|---|---|
Jiulong Jiang Estuary, Fujian ( | 66 | 534 | 35.92 | - | - |
East of Hong Kong ( | 73 | 66 | 16.57 | - | 1.0 |
Dongzhaigang, Hainan ( | 68 | 101 | 98.00 | - | - |
Leizhou Peninsula, Guangdong ( | 165 | 211 | 223.25 | - | - |
Ximen Island, Zhejiang ( | 42 | 340 | 74.26 | - | 0.5 |
Fenglin (2006-2007) | 65 | 5,575 | 85.60 | 4.22 | 0.5 |
Shanhouting (2006-2007) | 68 | 1,625 | 50.59 | 2.71 | 0.5 |
Table 3 Comparison of the macrobenthos between different mangrove areas
Localities | Species number | Mean density (inds/m2) | Mean biomass (g/m2) | TOM | Sieve size (mm) |
---|---|---|---|---|---|
Jiulong Jiang Estuary, Fujian ( | 66 | 534 | 35.92 | - | - |
East of Hong Kong ( | 73 | 66 | 16.57 | - | 1.0 |
Dongzhaigang, Hainan ( | 68 | 101 | 98.00 | - | - |
Leizhou Peninsula, Guangdong ( | 165 | 211 | 223.25 | - | - |
Ximen Island, Zhejiang ( | 42 | 340 | 74.26 | - | 0.5 |
Fenglin (2006-2007) | 65 | 5,575 | 85.60 | 4.22 | 0.5 |
Shanhouting (2006-2007) | 68 | 1,625 | 50.59 | 2.71 | 0.5 |
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