Oldest insect resource pulses revealed by fossils from China

Resource pulses, i.e., occasional episodes of ephemeral resource superabundance, represent a fundamental mechanism by which energy, nutrients, and biomass are transported across ecotones. They are widespread in extant ecosystems; ...

Global changes affect algal production in northern lakes

Globally rising temperatures and the browning of lakes, i.e. changing color due to increased dissolved organic material, can both inhibit and promote algal growth in northern lakes. This is shown by Isolde Callisto Puts in ...

How much water does it take to make one liter of milk?

Water scarcity and water pollution are increasingly critical global issues. Water scarcity is driven not only by shortages of water, but also by rendering water unusable through pollution. New Zealand is no exception to these ...

Sustainable strategies to treat urban runoff

We know the lakes and rivers in and around urban environments are contaminated by plastic debris, detergents, pesticides, heavy metals and other contaminants, but new research is showing that urban runoff toxicity is ill-defined ...

Small wetlands can have big impacts

Crops need nutrients like nitrogen and phosphorus to grow and thrive. However, excess nutrients from farms can wash into streams and rivers, and even make their way into oceans. The surplus in nutrients can cause major damage ...

page 7 from 20