Burker Museum / Elliot Trotter
Teeth, horns, claws, beaks, shells and even plant prickles — the power cascade rule can be observed far and wide throughout nature, much like the famous golden ratio.
Hurricane Harvey set up a rare natural experiment to study the effects of fishing.
NOAA via Wikipedia
Hurricane Harvey destroyed the fishing infrastructure of Aransas Bay and reduced fishing by 80% over the following year. This removed humans from the trophic cascade and whole food webs changed.
A sperm whale goes down for a dive off Kaikoura, New Zealand.
Protecting forests and wetlands, which absorb and store carbon, is one way to slow climate change. Scientists are proposing similar treatment for marine animals that help store carbon in the oceans.
A grizzly bear eats ripe buffaloberry fruit in the Bow Valley of Alberta. Shifts in the timing of buffaloberry development in the Rocky Mountains will change the behaviour of grizzly bears, and could threaten reproductive rates in this vulnerable population.
Alex P. Taylor
As warming temperatures shift the availability of key food sources, Alberta’s grizzly bears will be forced to adjust.
The reintroduction of lions and hyena has led animals in South Africa’s Addo Elephant National Park to behave differently.
Kudu and buffalo altered their activity when lions and spotted hyena were reintroduced into the areas where these species lived.
Culling dingo populations could mean disastrous consequences to the Australian landscape by causing a decline in vegetation…