科学与环境

Wetland reclamation brings limited agricultural gains but high flood exposure

来源: Phys.org - latest science and technology news stories · 发布于

Wetland reclamation brings limited agricultural gains but high flood exposure
来源: Phys.org - latest science and technology news stories

Wetland reclamation has long been regarded as a strategy to meet growing food demand, given the favorable soil and water conditions of wetlands. However, the trade-off between potentially greater crop production and the ecological cost of lost wetlands—especially involving flood

Wetland reclamation has long been regarded as a strategy to meet growing food demand, given the favorable soil and water conditions of wetlands. However, the trade-off between potentially greater crop production and the ecological cost of lost wetlands—especially involving flood regulation—has not been well understood.

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Spiny dogfish blood contains a hormone long thought absent in sharks
科学与环境

Spiny dogfish blood contains a hormone long thought absent in sharks

Cortisol is a hormone that helps humans and many other animals regulate their energy use and respond to changing conditions. For a long time, sharks and rays were believed to rely on a different steroid hormone for these functions, without producing cortisol themselves. Now, a ne

Phys.org - latest science and technology news stories ·