IB Biology Topic D4.2.11 Restoration of Natural Processes in Ecosystems by Rewilding Revision Notes (SL/HL)

IB Biology Topic D4.2.11 Restoration of Natural Processes in Ecosystems by Rewilding Revision Notes (SL/HL) | RevisionDojo

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Rewilding Restores Natural Processes With Minimal Human Intervention

Consider a degraded landscape, empty fields where forests once thrived and silent skies where birds once sang.
Rewilding offers a way to restore such ecosystems, reviving biodiversity and natural processes with minimal human intervention.

Definition

Rewilding

Rewilding is the process of restoring ecosystems to their natural state by reducing human interference and reintroducing key species to allow nature to recover.

Rewilding restarts natural processes like seed dispersal, soil regeneration, and predator-prey dynamics.
This enhances biodiversity, increases ecosystem stability, and builds resilience to climate change.

Tip

Rewilding works best when human activities like logging or farming are reduced so ecosystems can regenerate naturally.

Three Methods Drive Rewilding Forward

Reintroduce apex predators and keystone species
1. Apex predators and keystone species have an outsized effect on the whole ecosystem, so returning them helps rebalance it.
2. Apex predators sit at the top of the food chain and keep herbivore numbers in check.
Re-establish habitat connectivity
1. Fragmented habitats isolate species, which lowers genetic diversity and resilience.
2. Habitat connectivity links existing habitats with corridors so animals can move freely to feed and find mates.

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Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit.

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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Rewilding Restores Natural Processes With Minimal Human Intervention

Consider a degraded landscape, empty fields where forests once thrived and silent skies where birds once sang.
Rewilding offers a way to restore such ecosystems, reviving biodiversity and natural processes with minimal human intervention.

Definition

Rewilding

Rewilding is the process of restoring ecosystems to their natural state by reducing human interference and reintroducing key species to allow nature to recover.

Rewilding restarts natural processes like seed dispersal, soil regeneration, and predator-prey dynamics.
This enhances biodiversity, increases ecosystem stability, and builds resilience to climate change.

Tip

Rewilding works best when human activities like logging or farming are reduced so ecosystems can regenerate naturally.

Three Methods Drive Rewilding Forward

Reintroduce apex predators and keystone species
1. Apex predators and keystone species have an outsized effect on the whole ecosystem, so returning them helps rebalance it.
2. Apex predators sit at the top of the food chain and keep herbivore numbers in check.
Re-establish habitat connectivity
1. Fragmented habitats isolate species, which lowers genetic diversity and resilience.
2. Habitat connectivity links existing habitats with corridors so animals can move freely to feed and find mates.

Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

A - Unity and Diversity9 subtopics

B - Form and Function10 subtopics

C - Interaction and Interdependence9 subtopics

D - Continuity and Change12 subtopics

IB Biology Topic D4.2.11: Restoration of Natural Processes in Ecosystems by Rewilding Notes

A - Unity and Diversity9 subtopics

B - Form and Function10 subtopics

C - Interaction and Interdependence9 subtopics

D - Continuity and Change12 subtopics

Rewilding Restores Natural Processes With Minimal Human Intervention

Three Methods Drive Rewilding Forward

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account

Rewilding Restores Natural Processes With Minimal Human Intervention

Three Methods Drive Rewilding Forward

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account