(par 2.3) Why whale poo matters
http://www.theguardian.com/environment/georgemonbiot/2014/dec/12/how-whale-poo-is-connected-to-climate-and-our-lives Friday 12 December 2014 07.00 GMT George Monbiot Not only does nutrient-rich whale poo help reverse the effects of climate change – it’s a remarkable example that nothing in the natural world occurs in isolation Whales often feed at depth but return to surface waters to defecate. Their faecal plumes fertilises the surface waters […]
(par 2.3) Ecosystem functioning
http://www.globalchange.umich.edu/globalchange1/current/lectures/kling/ecosystem/ecosystem.html “I bequeathe myself to the dirt, to grow from the grass I love; If you want me again, look for me under your boot-soles.” – Walt Whitman In this lesson, we will learn answers to the following questions: • What is an ecosystem, and how can we study one? • Is the earth an open or […]