Abstract

Islands as peripheral and ultra-peripheral are typically highlighted as ecologically sensitive areas to human activities due to the tremendous biological diversity of beings and the future possibility of habitat loss. In this regard, the comprehension of the land occupation dynamics and trends in the ultra-peripheral territories is crucial to attempt long-lasting regional sustainability, as is the island region’s case. Therefore, the present article aims to analyze the trends and dynamics of the land-use changes on the European Archipelagos of the Macaronesia Region over the last three decades, using the CORINE (Coordination of Information on the Environment) data. Some of the obtained results show that about 3.4% of the Azores’ surface is characterized mainly by discontinuous urban fabric, representing 67% of the total urban fabric of the Azores over the last thirty years. Additionally, in Madeira Archipelago, the land is mainly occupied by forest and semi-natural areas, representing almost three-thirds of the territory. A similar scenario is verified in the Canary Islands, where forests and semi-natural areas represent approximately three-quarters of the territory. Once more, this study shows the relevance of the island areas’ unique character, which should be preserved and protected. Therefore, the priorities must be defined and established management strategies that are significant for the well-being of these highly valued areas. Moreover, the study showed that notable changes had occurred in the period 1990–2018 in this landscape. Hence there is a need for appropriate measures to mitigate these negative impacts on the environment.

Highlights

  • If we focus on the period between 1990 and 2018, it is possible to find concerning reductions in the land-use over the years in the Madeira Region, as is the case of CLC-222 (Fruit trees and berry plantations), CLC-231 (Pastures), CLC-241 (Annual crops associated with permanent crops), CLC-242 (Complex cultivation), CLC-243 (Land occupied by agriculture), CLC-312 (Coniferous forest), and CLC-523 (Sea and ocean)—with decreases of 0.43%, 0.44%, 0.94%, 1.80%, 1.47%, 1.67%, 3.46%, and 0.61%

  • If we focus on reducing land occupation in the same periods, the most significant decrease was identified in agricultural areas

  • Regarding the results obtained from landscape fragmentation analysis (FRAGSTATS), it should be noted for the patch analysis level that Euclidean nearest-neighbor distance is perhaps the most straightforward patch context being used extensively to quantify patch isolation

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Summary

Introduction

Among these obstacles and requirements, we have regional planning, which is an essential requirement for the so-desired sustainable development [1,2,3,4,5,6,7,8,9]. The comprehension of the land occupation dynamics and trends in the ultraperipheral territories is crucial to attempt long-lasting regional sustainability, as is the island region’s case. In this regard, the European Archipelagos of the Macaronesia Region (the Azores, Canary Islands, and Madeira) were selected as case studies. The Azores and Madeira belong to Portugal, whereas the Canaries belong to Spain

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