Testing MacArthur's minimisation principle: do communities minimise energy wastage during succession?

Ghedini Giulia; Loreau Michel; White Craig R.; Marshall Dustin J.; Chase Jonathan

摘要

Abstract >Robert MacArthur developed a theory of community assembly based on competition. By incorporating energy flow, MacArthur's theory allows for predictions of community function. A key prediction is that communities minimise energy wastage over time, but this minimisation is a trade‐off between two conflicting processes: exploiting food resources, and maintaining low metabolism and mortality. Despite its simplicity and elegance, MacArthur's principle has not been tested empirically despite having long fascinated theoreticians. We used a combination of field chronosequence experiments and laboratory assays to estimate how the energy wastage of a community changes during succession. We found that older successional stages wasted more energy in maintenance, but there was no clear pattern in how communities of different age exploited food resources. We identify several reasons for why MacArthur's original theory may need modification and new avenues to further explore community efficiency, an understudied component of ecosystem functioning. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“main”XML：ID =“ELE13087-ABS-ABS-0001”XML：LANG =“EN”> <标题类型=“main”>抽象</ title> > Robert Macarthur开发了一个社区组装理论基于竞争。通过纳入能量流，麦克阿瑟的理论允许预测社区功能。关键预测是，社区随着时间的推移最小化能量浪费，但这种最小化是两个相互矛盾的过程之间的权衡：利用食物资源，维持低代谢和死亡率。尽管其简单和优雅，尽管有长期令人着迷的理论家，但麦克阿瑟的原则尚未经验测试。我们使用了现场计数实验和实验室测定的组合来估计社区在继承期间的能量浪费的变化。我们发现较旧的连续阶段在维护中浪费了更多的能量，但不同年龄的社区如何利用食物资源没有明确的模式。我们确定了麦克瑟原始理论的几个原因可能需要修改和新途径，以进一步探索社区效率，是生态系统功能的一组分配器。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" > 著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-22290/'>《Ecology letters 》</a> <b style="margin: 0 2px;">|</b><span>2018年第8期</span><b style="margin: 0 2px;">|</b> <span>共9页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ghedini Giulia&option=202" target="_blank" rel="nofollow">Ghedini Giulia;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Loreau Michel&option=202" target="_blank" rel="nofollow">Loreau Michel;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=White Craig R.&option=202" target="_blank" rel="nofollow">White Craig R.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Marshall Dustin J.&option=202" target="_blank" rel="nofollow">Marshall Dustin J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chase Jonathan&option=202" target="_blank" rel="nofollow">Chase Jonathan;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Centre for Geometric BiologySchool of Biological SciencesMelbourne Vic. 3800 Australia;</p> <p>Centre for Biodiversity Theory and Modelling Theoretical and Experimental Ecology Station09200 Moulis France;</p> <p>Centre for Geometric BiologySchool of Biological SciencesMelbourne Vic. 3800 Australia;</p> <p>Centre for Geometric BiologySchool of Biological SciencesMelbourne Vic. 3800 Australia;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li> <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span> <a href="https://www.zhangqiaokeyan.com/clc/173.html" title="普通生物学">普通生物学 ;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Disturbance&option=203" rel="nofollow">Disturbance;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=energy&option=203" rel="nofollow">energy;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=geometric biology&option=203" rel="nofollow">geometric biology;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=invasion&option=203" rel="nofollow">invasion;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=metabolism&option=203" rel="nofollow">metabolism;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=stability&option=203" rel="nofollow">stability;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=trophic interactions&option=203" rel="nofollow">trophic interactions;</a> </p> <div class="translation"> 机译：干扰;能量;几何生物学;入侵;新陈代谢;稳定;营养互动; 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