Dresdner Planerforum - Small spaces pack a big punch for biodiversity

Datum

25.03.2020

Zeit

17:00 - 19:00

Sprecher

Lenore Fahrig, Chancellor's Professor

Zugehörigkeit

Carleton University, Ottawa

Serie

Dresdner Planerforum

Sprache

en

Hauptthema

Umwelt

Beschreibung

Globally, thousands of species go extinct every year due to human activities. The primary cause is habitat loss, as natural areas are converted to human uses, especially agriculture. How can we accommodate both nature and people? Are there "better" ways to lose habitat? I present two research lines on this topic. The first one finds that more species occur in a given amount of habitat when that habitat is in several small patches than few large ones. The second research line finds higher biodiversity in farmlands with smaller crop fields, for a given area under crop production. Overall, our research suggests that habitat preservation and restoration should be top priority for biodiversity conservation. Habitat preservation should apply to all habitat areas, not just large ones; we should especially encourage local, small-scale conservation efforts. In addition, we need policies and incentives to reverse the ongoing trend towards enlargement of crop fields.

Links

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Letztmalig verändert: 10.03.2020, 08:34:04