{"id":940,"date":"2020-01-07T16:05:26","date_gmt":"2020-01-07T16:05:26","guid":{"rendered":"https:\/\/www.conservationinstitute.org\/?p=940"},"modified":"2020-01-01T22:43:48","modified_gmt":"2020-01-01T22:43:48","slug":"shifting-baselines","status":"publish","type":"post","link":"https:\/\/www.conservationinstitute.org\/shifting-baselines\/","title":{"rendered":"Shifting Baselines"},"content":{"rendered":"

Bald eagles removed from the endangered species list, record salmon run in the Columbia\u00a0River, crab population rebound in the Gulf of Alaska; these are a few of the headlines that give people the impression that some species have recovered or the oceans and land are once again recovered. But in all these cases and many more the current population increase is still far short of the historical averages for these species. And, the long-term trend is downward. The Columbia River salmon harvest figure to the left illustrates this point. This is referred to as “shifting baselines” which describes the tendency of people to perceive ocean life as abundant and ocean ecosystems as healthy even though they have slowly and steadily deteriorated. It’s easy to fall victim to the “shifting baselines syndrome” because gradual declines just don’t register the same way as oil spills or similar calamities. However, gradual declines have taken ecosystems to the same alarming endpoint that is more dramatically and obviously wrought by large destructive events.<\/p>\n

Duluth SEO<\/a><\/p>\n

\"baseline\"<\/p>\n

References<\/strong>
\nJackson, J.B.C. 1997. “Reefs since Columbus.”\u00a0Coral Reefs<\/i>\u00a016(suppl.):S23-S32.<\/p>\n

Digital Marketing Agency Philadelphia<\/a><\/p>\n

Jackson, J.B.C. plus 18 co-authors. 2001. “Historical overfishing and the recent collapse of coastal ecosystems.”\u00a0Science<\/i>\u00a0293-629-638.<\/p>\n

Pauly, D. 1995. “Anecdotes and the shifting baseline syndrome of fisheries.”\u00a0Trends in Ecology and Evolution<\/i>\u00a010(10):430.<\/p>\n

Pauly, D., V. Christensen, J. Dalsgaard, R. Froese, and F. Torres, Jr. 1998. “Fishing down marine food webs.”\u00a0Science<\/i>\u00a0279:860-863.<\/p>\n

Purcell, J.E., W.M. Graham & H.J. Dumont, eds. “Jellyfish Blooms: Ecological and Societal Importance.” 2001. Proceedings of the International Conference on Jellyfish Blooms, held in Gulf Shores, Alabama, 12-14 January 2000.\u00a0Hydrobiologia<\/i>\u00a0vol. 451, May 15 issue. Also available in book form from Kluwer Academic Publishers.<\/p>\n

Real Estate Attorney Philadelphia<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Bald eagles removed from the endangered species list, record salmon run in the Columbia\u00a0River, crab population rebound in the Gulf of Alaska; these are a few of the headlines that give people the impression that some species have recovered or the oceans and land are once again recovered. 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