Can we avert marine mass extinctions?

نویسنده

  • Michael Gross
چکیده

The global spread of our species has led to a massive loss of terrestrial species, which dramatically changed the size distribution of land-based fauna and disrupted its ecological function. The less readily accessible ocean biotopes have so far been spared this fate, but lessons from the mass extinction on land must be learned if we don’t want the sawfishes and whale sharks to follow the sabre-toothed cats and woolly mammoths into oblivion. Michael Gross reports. Can we avert marine mass extinctions?

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Marine defaunation: animal loss in the global ocean.

Marine defaunation, or human-caused animal loss in the oceans, emerged forcefully only hundreds of years ago, whereas terrestrial defaunation has been occurring far longer. Though humans have caused few global marine extinctions, we have profoundly affected marine wildlife, altering the functioning and provisioning of services in every ocean. Current ocean trends, coupled with terrestrial defau...

متن کامل

Increased longevities of post-Paleozoic marine genera after mass extinctions.

Cohorts of marine taxa that originated during recoveries from mass extinctions were commonly more widespread spatially than those originating at other times. Coupled with the recognition of a correlation between the geographic ranges and temporal longevities of marine taxa, this observation predicts that recovery taxa were unusually long-lived geologically. We analyzed this possibility by asses...

متن کامل

Survival without recovery after mass extinctions.

Because many survivors of mass extinctions do not participate in postrecovery diversifications, and therefore fall into a pattern that can be termed "Dead Clade Walking" (DCW), the effects of mass extinctions extend beyond the losses observed during the event itself. Analyses at two taxonomic levels provide a first-order test of the prevalence of DCWs by using simple and very conservative opera...

متن کامل

Organism activity levels predict marine invertebrate survival during ancient global change extinctions.

Multistressor global change, the combined influence of ocean warming, acidification, and deoxygenation, poses a serious threat to marine organisms. Experimental studies imply that organisms with higher levels of activity should be more resilient, but testing this prediction and understanding organism vulnerability at a global scale, over evolutionary timescales, and in natural ecosystems remain...

متن کامل

Phylogenetic conservatism of extinctions in marine bivalves.

Evolutionary histories of species and lineages can influence their vulnerabilities to extinction, but the importance of this effect remains poorly explored for extinctions in the geologic past. When analyzed using a standardized taxonomy within a phylogenetic framework, extinction rates of marine bivalves estimated from the fossil record for the last approximately 200 million years show conserv...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:
  • Current Biology

دوره 25  شماره 

صفحات  -

تاریخ انتشار 2015