11.
a. using sketched graphs and other model dicuss the inter- relationships in a freshwater environment between temperature, light, depth, and dissolved oxygen.
b. briefly outline ways in which these factors may vary in freshwater ecosystems.
12.
a. describe both an artisanal and commercial system by which humans obtain food from freshwater.
b. using these examples show how the two systems differ in terms of management, energy subsidies and the relative inportance of ecological and economic constains.
13.
a. describe critically quantitative techniques that may be used to identify the influence of a biotic and an abiotic factor in a named species within a freshwater ecosystem.
b. how do these factors change throughour the year and waht impact do they have on the species you have described?
參考答案:11
A用草图或者其他的方式来讨论一个淡水环境中的温度,光线,深度和溶解的氧气的内在联系.
B简要的写出这些因素在淡水环境中的不同.
12.
A描述人类如何人为或商业性的从淡水中获取食物.
B用这些离子来说明这两个系统的特点,从管理,能源和生态以及经济的持续发展(CONSISTANCE).
13.
A.用批评的角度来描述大量科技手段对生态或非生态淡水物种的影响.
B这些因素在意念中对你所描述的物种有何影响?
PS:你在国外学社会经济学吗?干吗翻译这么多题目?我以前翻译的题目是不是也有你出的?
