To save their depleted species | 水產百科網
2015年2月12日—Thelifecycleofthebluecrabstartswithapregnantfemale.Adepletedfemalepopulationisakeyfactorinthethreattothelocalcrustacean's ...
Deep under the cold, dark waters of the Chesapeake Bay, the answer to whether the decimated blue crab population can survive lies buried in mud.
Tens of millions of female crabs are scattered across the floor of the lower bay in southern Virginia, where the estuary pours into the Atlantic Ocean, waiting out winter for one of the most important events in their short lives. When spring comes, they will inch closer to the ocean with billions of eggs.
It’s a critical time because the blue crab population is reeling, facing some of the lowest numbers in history. Officials are desperately hoping that steps taken to protect females last year will allow the fishery to rebound from the edge of disaster. But those efforts are also mired in a debate over the best way to protect the crabs.
As females go, so go blue crabs. Last year, scientists estimated that there wer...
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【黑指波紋蟹背面觀Cymo melanodactylus】扇蟹科 (Xanthidae)
水產分類:澎湖的蟹類中文名稱:黑指波紋蟹背面觀學名:Cymomelanodactylus科別名稱:扇蟹科(Xanthidae)命名學者:DeHaan1833
【鈍額曲毛蟹Camposcia retusa】蜘蛛蟹科 (Majidae)
水產分類:澎湖的蟹類中文名稱:鈍額曲毛蟹學名:Camposciaretusa科別名稱:蜘蛛蟹科(Majidae)命名學者:Latreille1892
【真綿蟹Dromidiopsis dormia】綿蟹科 (Dromiidae)
水產分類:澎湖的蟹類中文名稱:真綿蟹學名:Dromidiopsisdormia科別名稱:綿蟹科(Dromiidae)命名學者:(Linnaeus1763)