A laboratory assay for measuring feeding and mortality of the marine wood borer Limnoria under forced feeding conditions: A basis for a standard test method
A laboratory assay for measuring feeding and mortality of the marine wood borer Limnoria under forced feeding conditions: A basis for a standard test method
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DOI：
10.1016/j.ibiod.2008.10.007
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发表时间：
2009-04-01
影响因子：
4.8
通讯作者：
Busch, S.
中科院分区：
文献类型：
--
作者：
Borges, L. M. S.;Cragg, S. M.;Busch, S.
由于担心防腐剂的环境排放，传统的抗蛀材料变得稀缺或不再允许使用，因此需要快速简单的测试方法来评估海洋建筑的替代木质材料。实验室测试可以提供最佳条件下蛀木虫对木材生物降解速率的特定物种信息，而现场试验则可能存在不止一种蛀虫且条件可变。本文描述的方法依赖于这样的假设，即 limnoriids 的粪便颗粒生成速率必须与摄食速率非常接近。因此，在不同的测试条件下，在 15 天的时间内监测了 Limnoria fourpunctata 个体标本在以不耐用且无毒的木材树种樟子松边材为食时产生的粪便颗粒的数量。还记录了死亡率和换羽情况。为了优化测试条件，研究了可能影响存活率和进食率的几个变量。温度和盐度状况影响存活率和摄食率，而换羽周期影响摄食率。该测试方法的优化旨在为蛀木甲壳动物 Limnoria 的标准实验室测试提供基础。 Crown 版权所有 (C) 2008 由 Elsevier Ltd 出版。保留所有权利。
Quick simple testing methods are needed to evaluate alternative wood materials for marine construction because traditional borer resistant materials are becoming scarce or are no longer permitted due to concerns over environmental emissions of preservatives. Laboratory tests can provide species-specific information on rates of wood biodeterioration by wood borers under optimum conditions, in contrast to field trials where more than one borer species may be present and conditions are variable.The methodology described herein relies on the assumption that faecal pellet production rate in limnoriids must match feeding rate quite closely. Thus, the number of faecal pellets produced by individual specimens of Limnoria quadripunctata, while feeding on a non-durable and non-toxic wood species Pinus sylvestris sapwood - in different test conditions, was monitored over a period of 15 days. Mortality and moulting were also registered. Several variables likely to affect survival and feeding rates were investigated in order to optimise the test conditions. Temperature and salinity regime affected both survival and feeding rates while moulting cycle affected feeding rates.The optimisation of this test methodology aims to provide the basis for a standard laboratory test with the wood-boring crustacean Limnoria. Crown Copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.