Title: Evaluation of a new-type seagrass seeding technique based on eelgrass seedling rate
Abstract:Clam seeding technique is a new type seagrass seeding technique, in which, seagrass seeds are attached to clams by glutinous rice paste, and buried in substratum with burrowing clams. To examine the e...Clam seeding technique is a new type seagrass seeding technique, in which, seagrass seeds are attached to clams by glutinous rice paste, and buried in substratum with burrowing clams. To examine the effects of clams and glutinous rice paste on seagrass seedling rate, Ruditapes philippinarum and Zostera marina seeds were used as test objects, and 3 replicates of 5 treatments including directly broadcasting seeds (A1), directly burying seeds (A2), broadcasting paste-imbeded seeds (B1), burying paste-imbedded seeds (B2), and clam seeding (C) were installed, with 200 seagrass seeds for each in separate tanks in laboratory. The clam seeding technique was also evaluated in two quadrats installed in field. The results showed that glutinous rice paste had negative effects on the seagrass seedling rate, but clams promoted the ventilation in substratum, which mitigated the negative effects of glutinous rice paste and increased the seagrass seedling rate up to 23.2% in clam seeding. In field, the seagrass seedling rate in the two separated quardrats with clam seeding was 19.1% and 9.9%, respectively. The results indicated that the new technique would be an efficient and applicable seeding technique in seagrass bed establishment and restoration projects.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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Cited By Count: 1
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