{"title":"[Mollusks community associated to Thalassia testudinum (Bank et Köning 1805), in Mochima Bay, Venezuela].","authors":"Oscar Díaz Díaz, Ildefonso Liñero-Arana","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>To study the community of mollusks associated to Thalassia testudinum, monthly samplings were made between January and December 2002 in four localities of the Bay of Mochima. A PVC corer, of 14.8 cm of diameter, was used for sampling; eight monthly replicates were taken in each locality. Each core was sifted in a sieve of 1mm of mesh opening, the mollusks were fixed in 8% formaldehide solution in sea water. 473 mollusks were analyzed and 40 species, belonging to 29 families, were identified. Mangle Quemao displayed the greater abundance, whereas Varadero the minor. Shannon-Weaver diversity average ranged between 2.02+/-0.43 bits.ind(-1) (Mangle Quemao) and 1.42+/-0.95 bits.ind(-1) (Toporo). ANOVA analysis showed significant differences in abundances of mollusks among localities.</p>","PeriodicalId":75378,"journal":{"name":"Acta cientifica venezolana","volume":"55 1","pages":"44-55"},"PeriodicalIF":0.0000,"publicationDate":"2004-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta cientifica venezolana","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
To study the community of mollusks associated to Thalassia testudinum, monthly samplings were made between January and December 2002 in four localities of the Bay of Mochima. A PVC corer, of 14.8 cm of diameter, was used for sampling; eight monthly replicates were taken in each locality. Each core was sifted in a sieve of 1mm of mesh opening, the mollusks were fixed in 8% formaldehide solution in sea water. 473 mollusks were analyzed and 40 species, belonging to 29 families, were identified. Mangle Quemao displayed the greater abundance, whereas Varadero the minor. Shannon-Weaver diversity average ranged between 2.02+/-0.43 bits.ind(-1) (Mangle Quemao) and 1.42+/-0.95 bits.ind(-1) (Toporo). ANOVA analysis showed significant differences in abundances of mollusks among localities.
[委内瑞拉Mochima湾与海棠(Thalassia testudinum, Bank et Köning 1805)有关的软体动物群落]。
2002年1月至12月，在莫奇马湾的四个地点进行了月度取样，以研究与海棠有关的软体动物群落。取样时使用直径14.8厘米的聚氯乙烯盖;每个地方每月进行8次重复。每个岩心在孔径为1mm的筛网中筛选，软体动物固定在8%甲醛溶液的海水中。共鉴定软体动物473种，隶属于29科40种。Mangle Quemao表现出更大的丰度，而Varadero则表现出较小的丰度。Shannon-Weaver多样性平均值在2.02+/-0.43 bit .ind(-1)和1.42+/-0.95 bit .ind(-1)之间。方差分析显示，不同地区软体动物的丰度存在显著差异。
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