Positive and Negative Ecology, a Conceptual Overview

Ecologies, Journal Year: 2025, Volume and Issue: 6(2), P. 33 - 33

Published: April 22, 2025

Animal populations, even among common species, often exhibit demographic heterogeneity. This is particularly evident in species with metapopulation structures, where geographically distinct subpopulations experience varying degrees of inbreeding due to limited interbreeding. A phenomenon termed ‘negative ecology’ highlights cases despite suitable habitat availability, display fragmented distributions within small geographic areas (<20 km2). These subpopulations, however, do not conform classic dynamics, as vagile such birds can theoretically move freely between them. Similar patterns emerge at larger scales (>100 km2) and butterflies, suggesting ecological constraints—either abiotic or biotic—underpin these structured distributions. Understanding constraints essential, conservation efforts. The principles positive (extant) negative (locally absent/extinct) ecology have profound implications for re-introductions, historical occupancy does guarantee successful re-establishment. Abiotic biotic factors may hinder the recolonization previously inhabited entirely new habitats. article primarily explores forces shaping two especially well-studied taxa UK mainland Europe, hope that a perspective thereby contribute broader restoration strategies.

Language: Английский

Utilizing aquatic environmental DNA to address global biodiversity targets

Published: April 27, 2025

Language: Английский