There are five species of sea turtles distributed widely along the continental shelf on the east coast of Chian. They are the green turtle(Chelonia mydas), the loggerhead turtle(Caretta caretta),the olive ridley turtl...There are five species of sea turtles distributed widely along the continental shelf on the east coast of Chian. They are the green turtle(Chelonia mydas), the loggerhead turtle(Caretta caretta),the olive ridley turtle(Lepidochelys olivacea),and the leatherhack turtle(Dermochelys coriacea). The green turtle is the most common, and in fact, only the green, loggerhead, and hawksbill turtles can be found nesting on Chinese beabches.As in many other maritime states, for thousands of yare the coastal residents have harvested sea turtles for food and utility parts of their bodies for medicines and ornaments. Hatchlings have also been sold in pet shops. According to one study, between 1959 and 1989 at least thirty thousand sea turtles were slaughtetal in the ~ China Sea. Ahhough all seaturdeS have been listed as endangers and are under full legal PrDteChon in Taiwan, they are still eladeed for Pwht onhath land and sea in Other ~as house sea turtles are Only listal as "threatened"(as op~ tO "e~").One of the major Problems Of sea turtle conservation in China is the UnwillingneSs to conserve Cedrin critical naed resous. Although such conCepts have ben dented even in ancient ChineSe chates, the inc~ in the hUman populahon in recent centuries has led tO ~ increased demands on natoal rm. HOwever, due tO inaPPropriate ~ment policies, Inany so are over-utility and the sea turtles habitatS, hath on the land ac in the sea, have haen SeriOtaly damaged. APart frOIn massive and op Sand bang opeboons, coastal conStl’Uction Popects, d~ and poisonfishing, and the use Of Other typeS Of deS^hve fishing grare, the tultle have also been Anpacted by over-harveq ac aampebe. BecaUSe it takes at leaSt 20 yam for the sea tultle to ~h maturity, these activitieS have not odr Seriously affeCted the slaval ac rep^hon of the sea turde poplulation, but also COInpedsed the integrity of the ~teln. UndertheSe condihons, it is not knOWn whether, or tO what extent, sea turtle pop~ code be ~ or even mahanal,but as with many air endangend speCies, there is Probably a point at which the popdrion levels wb an so far, and the^mug areas of natulal habitat wb be so small and dispels, that the decas to~ extinchorvat leaSt locallhave ~ i^ible.Another major Problem Of sea tultle conServation in China is that too liule is knOWn ahaut theSe ~. In fact, apefain some mellt ball on the neshong ecology Of the ~ turtles in Taiwan, ~ notheng is ~ ahaut the sea tUrdeS Inarine and ie^al habitats in China as a whole. And even in Taiwan, our Unde~ of there anals is still veryboied. ~rvation Of speCies the Undertake long-distance ~abc ingrations and oaf emend to nest on land during theb~ season wb be very occult without swhcient knoblys of their life historian.fferefore, an increaSe in ecological ~amah and the prmnotion of Public amness wb hath be neCeSSaly if we hope tosave theSe endangeral spotes. COnservation inethall should aim not only at me^ing the n~ Of turdeS but at PraSealand restoring their marine and ie^al habitats. In the long run, ~ theSe ~ would ha intended P~ to the sea turtles, ~ residents should aam find their "city Of life" wb have adn erhaced.展开更多
多毛类环节动物是海洋底栖生物群落的重要类群之一,在海洋生物监测、海水养殖、底栖食物链网、生态评估和生态修复中起着重要的作用。本文根据我国学者首篇记述中国海域多毛类物种文献、首次发表新种文献和首篇博士论文的年份,将中国海...多毛类环节动物是海洋底栖生物群落的重要类群之一,在海洋生物监测、海水养殖、底栖食物链网、生态评估和生态修复中起着重要的作用。本文根据我国学者首篇记述中国海域多毛类物种文献、首次发表新种文献和首篇博士论文的年份,将中国海域多毛类环节动物物种多样性研究分为3个阶段。第一阶段(1933–1961年)我国学者尚未发现新种,但记述了几十种多毛类;第二阶段(1962–2007年)发现了49新种,但没有专门的博士和硕士学位论文;第三阶段(2008–2022年)发现了120新种,有博士和硕士学位论文。从1933年至2022年,我国学者发现的新种和新记录种数量呈上升趋势,但在不同时间段,特别是在第二阶段有较大波动。目前,我国多毛类物种多样性研究存在一些科、属、种的分类地位存疑,一些科、属的分类亟待研究,一些新种未被世界海洋物种目录(World Register of Marine Species)接受等问题。鉴于存在的问题,本文建议在我国加强多毛类数据库建设,加强多毛类物种多样性、遗传多样性和环境DNA研究。展开更多
文摘There are five species of sea turtles distributed widely along the continental shelf on the east coast of Chian. They are the green turtle(Chelonia mydas), the loggerhead turtle(Caretta caretta),the olive ridley turtle(Lepidochelys olivacea),and the leatherhack turtle(Dermochelys coriacea). The green turtle is the most common, and in fact, only the green, loggerhead, and hawksbill turtles can be found nesting on Chinese beabches.As in many other maritime states, for thousands of yare the coastal residents have harvested sea turtles for food and utility parts of their bodies for medicines and ornaments. Hatchlings have also been sold in pet shops. According to one study, between 1959 and 1989 at least thirty thousand sea turtles were slaughtetal in the ~ China Sea. Ahhough all seaturdeS have been listed as endangers and are under full legal PrDteChon in Taiwan, they are still eladeed for Pwht onhath land and sea in Other ~as house sea turtles are Only listal as "threatened"(as op~ tO "e~").One of the major Problems Of sea turtle conservation in China is the UnwillingneSs to conserve Cedrin critical naed resous. Although such conCepts have ben dented even in ancient ChineSe chates, the inc~ in the hUman populahon in recent centuries has led tO ~ increased demands on natoal rm. HOwever, due tO inaPPropriate ~ment policies, Inany so are over-utility and the sea turtles habitatS, hath on the land ac in the sea, have haen SeriOtaly damaged. APart frOIn massive and op Sand bang opeboons, coastal conStl’Uction Popects, d~ and poisonfishing, and the use Of Other typeS Of deS^hve fishing grare, the tultle have also been Anpacted by over-harveq ac aampebe. BecaUSe it takes at leaSt 20 yam for the sea tultle to ~h maturity, these activitieS have not odr Seriously affeCted the slaval ac rep^hon of the sea turde poplulation, but also COInpedsed the integrity of the ~teln. UndertheSe condihons, it is not knOWn whether, or tO what extent, sea turtle pop~ code be ~ or even mahanal,but as with many air endangend speCies, there is Probably a point at which the popdrion levels wb an so far, and the^mug areas of natulal habitat wb be so small and dispels, that the decas to~ extinchorvat leaSt locallhave ~ i^ible.Another major Problem Of sea tultle conServation in China is that too liule is knOWn ahaut theSe ~. In fact, apefain some mellt ball on the neshong ecology Of the ~ turtles in Taiwan, ~ notheng is ~ ahaut the sea tUrdeS Inarine and ie^al habitats in China as a whole. And even in Taiwan, our Unde~ of there anals is still veryboied. ~rvation Of speCies the Undertake long-distance ~abc ingrations and oaf emend to nest on land during theb~ season wb be very occult without swhcient knoblys of their life historian.fferefore, an increaSe in ecological ~amah and the prmnotion of Public amness wb hath be neCeSSaly if we hope tosave theSe endangeral spotes. COnservation inethall should aim not only at me^ing the n~ Of turdeS but at PraSealand restoring their marine and ie^al habitats. In the long run, ~ theSe ~ would ha intended P~ to the sea turtles, ~ residents should aam find their "city Of life" wb have adn erhaced.
文摘多毛类环节动物是海洋底栖生物群落的重要类群之一,在海洋生物监测、海水养殖、底栖食物链网、生态评估和生态修复中起着重要的作用。本文根据我国学者首篇记述中国海域多毛类物种文献、首次发表新种文献和首篇博士论文的年份,将中国海域多毛类环节动物物种多样性研究分为3个阶段。第一阶段(1933–1961年)我国学者尚未发现新种,但记述了几十种多毛类;第二阶段(1962–2007年)发现了49新种,但没有专门的博士和硕士学位论文;第三阶段(2008–2022年)发现了120新种,有博士和硕士学位论文。从1933年至2022年,我国学者发现的新种和新记录种数量呈上升趋势,但在不同时间段,特别是在第二阶段有较大波动。目前,我国多毛类物种多样性研究存在一些科、属、种的分类地位存疑,一些科、属的分类亟待研究,一些新种未被世界海洋物种目录(World Register of Marine Species)接受等问题。鉴于存在的问题,本文建议在我国加强多毛类数据库建设,加强多毛类物种多样性、遗传多样性和环境DNA研究。
