Vegetation classification and conservation aspects of Atlantic dune pine forests in the southwest of the Iberian Peninsula

Costa, José Carlos; Neto, Carlos; Monteiro-Henriques, Tiago; Pina, Ana Rita; Aguiar, Carlos; Mascia, Francesco; Bonari, Gianmaria

http://hdl.handle.net/10400.5/101992

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Autores

Costa, José Carlos

Neto, Carlos

Monteiro-Henriques, Tiago

Resumo(s)

This study refines the classification framework for Portuguese dune pine forests included in the alliance Coremato albi-Pinion pinastri at the association level after the syntaxonomic revision of Mediterranean pine forests of the class Pinetea halepensis. We collected 61 original vegetation plots between 2017 and 2022 in the southwestern Iberian Peninsula, analysing them through Principal Co- ordinate Analysis (PCoA) and UPGMA clustering. Numerical analysis identified four associations within the alliance Coremato albi-Pinion pinastri, specific to the sandy Atlantic coast of the Iberian Peninsula. Of these, three associations are newly described (Cytiso grandiflori-Pinetum pinastri, Aristolochio baeticae-Pinetum pineae, and Ulici australis-Pinetum pineae). Our study classified pine forests on sand in southwestern Iberia and identifies conservation-significant species in their understory. The floristic diversity in these psammophilous pine forests is enhanced by numerous endemics and relic species from the Tertiary period, shaped by past climatic refugia and multiple floristic migration routes, including Atlantic, Mediterranean, and North African pathways. This has resulted in a unique blend of thermophilic, oceanic, and xeric species with high conservation value. Our study contributes to the understanding of Atlantic dune pine forest ecology and inform habitat conservation efforts.

Palavras-chave

Flora psammophilous pine forests phytosociology Pinetea halepensis Pinus pinaster Pinus pinea vegetation sand dunes

URI

http://hdl.handle.net/10400.5/101992

Citação

Costa JC, Neto C, Monteiro-Henriques T, Pina AR, Aguiar C, Mascia F, Bonari G (2025) Vegetation classification and conservation aspects of Atlantic dune pine forests in the southwest of the Iberian Peninsula. Vegetation Ecology and Diversity 62: 1-12. https://doi.org/10.3897/ved.142914

Editora

Pensoft

DOI

10.3897/ved.142914

Coleções

ISA - Artigos em Revistas Internacionais

Licença CC

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