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عنوان
Recent geospatial dynamics of Terceira (Azores, Portugal) and the theoretical implications for the biogeography of active volcanic islands

پدید آورنده
Rijsdijk, Kenneth F.; Buijs, Simon; Quartau, Rui; Aguilée, Robin; Norder, Sietze J.; Ávila, Sérgio P.; de Medeiros, Sara Maria Teixeira; Nunes, João Carlos Carreiro; Elias, Rui Bento; Melo, Carlos S.; Stocchi, Paulo; Koene, Erik F. M.; Seijmonsbergen, A. C. (Harry); de Boer, W. M. (Thijs); Borges, Paulo A.V.,Rijsdijk, Kenneth F.; Buijs, Simon; Quartau, Rui; Aguilée, Robin; Norder, Sietze J.; Ávila, Sérgio P.; de Medeiros, Sara Maria Teixeira; Nunes, João Carlos Carreiro; Elias, Rui Bento; Melo, Carlos S.; Stocchi, Paulo; Koene, Erik F. M.; Seijmonsbergen, A. C. (Harry); de Boer, W. M. (Thijs); Borges, Paulo A.V.

موضوع

رده

کتابخانه
Center and Library of Islamic Studies in European Languages

محل استقرار
استان: Qom ـ شهر: Qom

Center and Library of Islamic Studies in European Languages

تماس با کتابخانه : 32910706-025

NATIONAL BIBLIOGRAPHY NUMBER

Number
LA23x356kj

LANGUAGE OF THE ITEM

.Language of Text, Soundtrack etc
انگلیسی

TITLE AND STATEMENT OF RESPONSIBILITY

Title Proper
Recent geospatial dynamics of Terceira (Azores, Portugal) and the theoretical implications for the biogeography of active volcanic islands
General Material Designation
[Article]
First Statement of Responsibility
Rijsdijk, Kenneth F.; Buijs, Simon; Quartau, Rui; Aguilée, Robin; Norder, Sietze J.; Ávila, Sérgio P.; de Medeiros, Sara Maria Teixeira; Nunes, João Carlos Carreiro; Elias, Rui Bento; Melo, Carlos S.; Stocchi, Paulo; Koene, Erik F. M.; Seijmonsbergen, A. C. (Harry); de Boer, W. M. (Thijs); Borges, Paulo A.V.

SUMMARY OR ABSTRACT

Text of Note
Ongoing work shows that species richness patterns on volcanic oceanic islands are shaped by surface area changes driven by longer time scale (>1 ka) geological processes and natural sea level fluctuations. A key question is: what are the rates and magnitudes of the forces driving spatial changes on volcanic oceanic islands which in turn affect evolutionary and biogeographic processes? We quantified the rates of surface-area changes of a whole island resulting from both volcanogenic flows and sea level change over the last glacial-interglacial (GI) cycle (120 ka) for the volcanically active island of Terceira, (Azores, Macaronesia, Portugal). Volcanogenic activity led to incidental but long-lasting surface area expansions by the formation of a new volcanic cone and lava-deltas, whereas sea level changes led to both contractions and expansions of area. The total surface area of Terceira decreased by as much as 24% per time step due to changing sea levels and increased by 37% per time step due to volcanism per time step of 10 ka. However, while sea levels nearly continuously changed the total surface area, volcanic activity only impacted total surface area during two time steps over the past 120 ka. The surface area of the coastal and lowland region (here defined as area <300 m) was affected by sea level change (average change of 11% / 10 ka for 120-0 ka) and intra-volcanic change (average change of 17% / 10 ka for 120-0 ka). We discuss the biogeographic implications of the quantified dynamics, and we argue that surface area change is mainly driven by volcanic processes in the early stages of the island's life cycle, while during the later stages, area change becomes increasingly affected by sea level dynamics. Both environmental processes may therefore affect biota differently during the life cycle of volcanic oceanic islands.

SET

Date of Publication
2020
Title
Frontiers of Biogeography
Volume Number
12/3

PERSONAL NAME - PRIMARY RESPONSIBILITY

Entry Element
Rijsdijk, Kenneth F.; Buijs, Simon; Quartau, Rui; Aguilée, Robin; Norder, Sietze J.; Ávila, Sérgio P.; de Medeiros, Sara Maria Teixeira; Nunes, João Carlos Carreiro; Elias, Rui Bento; Melo, Carlos S.; Stocchi, Paulo; Koene, Erik F. M.; Seijmonsbergen, A. C. (Harry); de Boer, W. M. (Thijs); Borges, Paulo A.V.

ELECTRONIC LOCATION AND ACCESS

Electronic name
 مطالعه متن کتاب 

[Article]
275578

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