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COMMON GROUND VOL. 14 NO. 3 JULY-SEPTEMBER 2003 ansThe Pew Oceans Commission report, bottom overhaul in how dozens of United OceAmericas" ' Living Oceans : Charting a States agencies now manage the nation' s Peri I Course for Sea Change " (free, 144 pages , oceans, illustrates the various challenges that inpewoceans . org) , which calls for a top-to- our waters face . A sampling of its findings : • The oceans within U . S . jurisdiction span • Sprawl development A . consumi A . ng land nearly 4 . 5 million square miles, an area five or more times as fast as populatioin growth in many coastal areas . 23 % larger than its lands . ® Coastal counties , which comprise just • From 1940 to 1996, Florida' s population 17% of U . S . land, are home to more than increased from 1 . 8 million. to 14 . 3 million half of the U . S . population. Another .25 Development has altered boI . Ith water qual- million people will live along the coast ity and water quantity, leading to the loss by 20156 of more than half of the Everglades, the , IF Sprawl largest contiguous ` wetland in the UnitedAA . p • More than one-fourth of all the lend States . Freshwater, flow through the Ever- . development is converted from rural to suburban and A I A la declined b a roxlmafel 70% g Y Pl? . . Y Consuming land urban uses since European sezlement oc since the 1940s, and the population of_ fiwe Or more curved during the :15-year period between _ wading birds has dropped by 5 A a 1982 and 1997 . times as fast as • Coastal marshes are disappearing at a o elation growth ° . Every eight months; nearly 11 IF + million A . rate of 20,000 acres per year . Louisiana I IF p p. g gallons of oil runoff our streets and drive- in man Coastal g alone has lost half a milhon acres of wet 1� ways into our waters=the equivalent of lands since the 1950s . areas . the Exxon Valdez oil spill. . • A one-acre .p4 ark IAI iFI ng lot produces about m Urban sprawl contributed to. the decline 16 times the volume of runoff that would. I FA I. AA of 188 of 286 California species that are come from cone- acre meadow listed under the Endangered Species Act, making it the leading cause of species de o Aquatic biodiversity begins to declle Cline in that state . when 10% of the acreage of a watershed 1s covered with impervious surfaces . IF o Of the 374 documented invasive species in U . S . waters; 150 have arrived since ® Nearly 1 million Atlantic salmon esIIF 1970 . More than 175 introduced species Gaped from farm pens onIF the West Coast thrive mi San Francisco Bay alone. I A A in the last 15 yeFAaA rALsI . I F A I F . ON ' HHOSA08 `5111H 1d3a S32SN4O s3a I 81AN3 AiD 3DNYa0 3O1D3Y 19 if lioN IS 01AY0 3W 60ZZZ VA ` uolnuT1JV 0ZF ajinS ` ' 1S lua)l ON 0091 O'Q ' NpI,ONIHSNM E66E 'ON LIL�I2I3d Art FAA, ALAIsFAA - Kd IF t , _ _ A. :, �disod 49%aO JI302Id - NON