Our Dying Planet: An Ecologist's View of the Crisis We Face by Peter Sale
By Peter Sale
Coral reefs are on target to develop into the 1st environment really eradicated from the planet. So says prime ecologist Peter F. Sale during this crash path at the nation of the planet. Sale attracts from his personal vast paintings on coral reefs, and from contemporary examine by means of different ecologists, to discover the numerous methods we're altering the earth and to give an explanation for why it issues. Weaving into the narrative his personal firsthand box studies world wide, Sale brings ecology alive whereas giving a high-quality knowing of the technology at paintings at the back of today's urgent environmental matters. He delves into themes together with overfishing, deforestation, biodiversity loss, use of fossil fuels, inhabitants development, and weather switch whereas discussing the genuine outcomes of our transforming into ecological footprint. most crucial, this passionately written publication emphasizes gloom-and-doom situation isn't really inevitable, and as Sale explores substitute paths, he considers the ways that technological know-how might help us notice a greater destiny.
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Extra info for Our Dying Planet: An Ecologist's View of the Crisis We Face
Our next step, if we continue this downward journey, will be to harvest krill and other tiny crustaceans. While krill do feed the giant baleen whales, grilled krill on toast will be a sad replacement for a tuna steak, quick broiled so it remains blue in the center, or many of the other quality fish products that have graced our tables. â•¯ Other Ecosystem Effects of Overfishing So far, I have considered only direct effects of overfishing on the spe cies being targeted. But given that fishing has routinely reduced the 40 Infor m ation standing biomass of most fishery species by 80 to 90 percent, it should be no surprise that we have altered the structure of marine ecologi cal communities.
The economic extinction of the cod fishery is only the latest example in a long series of apparently well-man aged fisheries that have been overexploited and have collapsed. But why is this so? Part of the problem lies in the simplicity of our model—fish ing has strong ecosystem effects beyond those of simply removing some fish, and fish populations are impacted by things other than fishing. The graph in Figure 2 does not account for fishing’s reduction of the storage effect, which makes the fish population less capable of weathering a series of poor years.
8 billion per year, respectively, and the international trade in fishery products exceeds $92 billion per year. Adding in so-called illegal, unreported, and unregulated catches and the fish caught by rec reational fishermen and by artisanal fishermen to feed their families around the world further increases the total tonnage of fishery species captured to 130 million metric tons per year. 7 million metric tons per year since about 1988, despite increases in fishing efforts. Globally, fishing is still very big business, but fisheries are failing to provide as they used to.