Etages bioclimatiques, secteurs chorologiques et séries de végétation de l’Espagne méditerranéenne

Rivas‐Martínez, Salvador

doi:10.3406/ecmed.1982.1954

Cited by 73 publications

(38 citation statements)

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“…The mediterranean climate is generally characterized by summer aridity and rainfall concentration in winter (Emberger 1954;Nahal 1981;Box 1987). Temperature is used to define types of mediterranean climates or bioclimatic belts (Ozenda 1975;Quézel 1979;Rivas-Martínez 1982, 1984, which is important for the separation of the warmer forests of both Quercus pyrenaica and Q. rotundifolia (AQp, PQr) from the remaining types. In both cases, the results show many highly correlated monthly temperature variables, which indicate a permanent or annual phenomenon related both to thermic efficiency and frost resistance (temperatures below -10°C are rare in AQp and PQr).…”

Section: Discussionmentioning

confidence: 99%

Climatic discrimination of Mediterranean broad‐leaved sclerophyllous and deciduous forests in central Spain

Gavilán

Fernández‐González

1997

J Vegetation Science

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Abstract. Climatic differences between three types of deciduous (Quercus pyrenaica) and three types of sclerophyllous (Quercus rotundifolia) Mediterranean forests in the Spanish Sistema Central were analyzed by means of Canonical Discriminant Analysis and Jancey's Discriminant Analysis, applied in successive steps to data from 252 meteorological stations. Climatic data included temperature and precipitation records as well as bioclimatic indices. Discriminant analysis was applied to broad‐leaved sclerophyllous and deciduous forest communities sampled at each meteorological station using phytosociological methods. Annual and seasonal (summer, spring) water availability are the most important factor controlling the distribution of the two physiognomic forest types; southwestern associations of Quercus pyrenaica and Q. rotundifolia differ from their colder homologues by annual and monthly temperatures; western associations were separated from eastern ones in terms of annual and seasonal precipitation gradients. Discriminant analysis was a good technique to explore climatic gradients not shown by other general ordination or classification methods.

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Section: Discussionmentioning

confidence: 99%

Climatic discrimination of Mediterranean broad‐leaved sclerophyllous and deciduous forests in central Spain

Gavilán

Fernández‐González

1997

J Vegetation Science

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“…Paleoenvironmental interpretation of the downcore pollen assemblage fluctuations is based on the assumption that the primary pollen contribution to Alboran Sea sediments comes from western Mediterranean borderlands. Modern environments range from a thermo-Mediterranean belt, with Olea, Pistacia, and some steppe or semidesert representatives (Artemisia, Chenopodiaceae, Ephedra), to a meso-Mediterranean belt, represented by a sclerophyllous oak forest to a humidtemperate oak forest (mainly Quercus associated with Ericaceae), to a supra-Mediterranean belt with a cold-temperate coniferous forest (Pinus, Abies, Cedrus) at the higher altitudes (Ozenda, 1975;Rivas Martinez, 1982) (Fig. 1).…”

Section: Methodsmentioning

confidence: 99%

Enhanced aridity and atmospheric high-pressure stability over the western Mediterranean during the North Atlantic cold events of the past 50 k.y.

Nebout

Turon

Zahn

et al. 2002

Geol

213

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Multiproxy paleoenvironmental records (pollen and planktonic isotope) from Ocean Drilling Program Site 976 (Alboran Sea) document rapid ocean and climate variations during the last glacial that follow the Dansgaard-Oeschger climate oscillations seen in the Greenland ice core records, thus suggesting a close link of the Mediterranean climate swings with North Atlantic climates. Continental conditions rapidly oscillated through cold-arid and warm-wet conditions in the course of stadial-interstadial climate jumps. At the time of Heinrich events, i.e., maximum meltwater flux to the North Atlantic, western Mediterranean marine microflora and microfauna show rapid cooling correlated with increasing continental dryness. Enhanced aridity conceivably points to prolonged wintertime stability of atmospheric high-pressure systems over the southwestern Mediterranean in conjunction with cooling of the North Atlantic.

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“…Mean annual temperature is 14°C and ranges from 4°C (January) to 24°C (July) (Morellón et al 2008) and references therein). Lake Estanya is located at the transitional zone between Mediterranean and Submediterranean bioclimatic regimes (Rivas-Martínez 1982), at 670 m.a.s.l. The…”

Section: Climate and Vegetationmentioning

confidence: 99%

Climate changes and human activities recorded in the sediments of Lake Estanya (NE Spain) during the Medieval Warm Period and Little Ice Age

et al. 2009

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Etages bioclimatiques, secteurs chorologiques et séries de végétation de l’Espagne méditerranéenne

Cited by 73 publications

References 0 publications

Climatic discrimination of Mediterranean broad‐leaved sclerophyllous and deciduous forests in central Spain

Climatic discrimination of Mediterranean broad‐leaved sclerophyllous and deciduous forests in central Spain

Enhanced aridity and atmospheric high-pressure stability over the western Mediterranean during the North Atlantic cold events of the past 50 k.y.

Climate changes and human activities recorded in the sediments of Lake Estanya (NE Spain) during the Medieval Warm Period and Little Ice Age

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