Board

Ecosystems

Nature31 insights0 followers

@nature
Bears reinforced wolves’ effects by killing some deer calves, adding pressure to Yellowstone’s deer population.
Sustainable HumanHow Wolves Change Rivers
@nature
A trophic cascade starts with changes at the food chain’s top and spreads through the entire ecosystem.
Sustainable HumanHow Wolves Change Rivers
@nature
A small number of apex predators transformed Yellowstone’s species composition and physical geography through cascading effects.
Sustainable HumanHow Wolves Change Rivers
@nature
By killing coyotes, wolves helped rabbit and mouse populations rise, supporting more hawks, weasels, foxes, and badgers.
Sustainable HumanHow Wolves Change Rivers
@nature
Yellowstone National Park reintroduced wolves in 1995 after they had been absent for 70 years.
Sustainable HumanHow Wolves Change Rivers
@nature
Recovering trees increased beaver populations, whose dams created habitats for many additional aquatic and terrestrial species.
Sustainable HumanHow Wolves Change Rivers
@nature
Deer avoided valleys and gorges where wolves could trap them, allowing vegetation to regenerate.
Sustainable HumanHow Wolves Change Rivers
@nature
In Yellowstone, wolves transformed the ecosystem most consequentially by changing deer behavior, not merely by killing deer.
Sustainable HumanHow Wolves Change Rivers
@nature
Wolves indirectly reshaped Yellowstone’s rivers, reducing meanders and erosion while creating narrower channels, pools, and riffles.
Sustainable HumanHow Wolves Change Rivers
@nature
In some Yellowstone areas, tree height quintupled in just six years after wolves returned.
Sustainable HumanHow Wolves Change Rivers
@nature
Ecological recovery starts when humans join the network, listen to other creatures, and enter the conversation beneath our feet.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Invisible ecological connections are real, powerful, and crucial to the well-being of forests and people.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
We are not separate from nature or one another. Every action ripples through the living web.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Carbon moving through fungal networks increases understory seedlings’ survival, growth, and health.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
When Douglas fir faces stress or disease, it sends warning signals that help neighboring trees strengthen their defenses.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Professional intimidation did not invalidate sound science. Challenging the status quo requires standing by rigorous evidence.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Nature is not a shopping mall. Abandoning the resource-market mindset can change the future’s trajectory.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Invisible human connections can sustain people through severe illness, just as forest networks sustain trees.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Salmon nourish forests, forests support rivers, and rivers feed a cycle connecting salmon, oceans, bears, wolves, trees, and people.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Scientists found traces of salmon-derived nitrogen preserved in tree rings for centuries.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
When an understory Douglas fir is shaded, a birch tree can send it about 10 percent of its carbon.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Shared fungal networks act like a public immunization system, with birch-associated bacteria helping protect connected fir trees.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
Mother trees recognize kin and send more carbon to related seedlings, especially when the mother tree is injured.
TEDx TalksNature's internet: how trees talk to each other in a healthy forest | Suzanne Simard | TEDxSeattle
@nature
In rainforests, plants, herbivores, seed dispersers, decomposers, and soil nutrients reinforce one another in ecological loops.
TED-EdWhy is biodiversity so important? - Kim Preshoff
@nature
A keystone organism supports many others by providing habitat, shelter, or places to reproduce.
TED-EdWhy is biodiversity so important? - Kim Preshoff
@nature
The tighter biodiversity’s three dimensions interconnect, the denser, more stable, and more resilient ecosystems become.
TED-EdWhy is biodiversity so important? - Kim Preshoff
@nature
Coral reefs depend on coral for microhabitats, shelter, breeding grounds, and relationships with fungi and bacteria.
TED-EdWhy is biodiversity so important? - Kim Preshoff
@nature
Destructive fishing, pollution, and ocean acidification weaken or kill coral, depriving dependents and threatening the reef’s entire structure.
TED-EdWhy is biodiversity so important? - Kim Preshoff
@nature
Genetic diversity lets species cope with environmental change. Isolation and small populations shrink that capacity.
TED-EdWhy is biodiversity so important? - Kim Preshoff
@nature
An ecosystem can look permanent, then collapse or transform dramatically without any catastrophe.
TED-EdWhy is biodiversity so important? - Kim Preshoff
@nature
Losing one species may barely shake a diverse ecosystem, yet removing one crucial component can make the whole system fail.
TED-EdWhy is biodiversity so important? - Kim Preshoff

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