Arthropods of Mediterranean-Type Ecosystems by George P. Stamou PDF

By George P. Stamou

ISBN-10: 3642797520

ISBN-13: 9783642797521

ISBN-10: 3642797547

ISBN-13: 9783642797545

G.P. Stamou describes the adaptive techniques that let arthropods to deal with the severity of Mediterranean environments. After an advent to the constitution and serve as of Mediterranean-type ecosystems, ecophysiological diversifications to water tension and ranging temperature are thought of. extra, task styles and existence cycle strategies are mentioned in terms of the peculiarity of Mediterranean environments. Phenological styles and inhabitants dynamics in addition to neighborhood buildings also are offered. the amount ends with a synthesis of lifestyles historical past tactics.

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69 (ll 02xlO- 3 ind- I h-I) G_ balcanica (Diplopoda) 0_ meridiatus (Collembola) S. cf. latipes (Oribatidae) P. alli/era (Oriba tidae) A. g. Byzova 1967; Wooten and Crawford 1974; Penteado and Mendes 1977), oribatids (Wood and Lawton 1973; Luxton 1975; Block 1977; Young 1979; Mitchell 1979) and collembolans (Petersen 1981; Vannier and Verdier 1981) living in either warmer or colder habitats. The same holds for QIO values. Indeed, QIO values estimated for Mediterranean arthropods are low in comparison with those reported for diplopods inhabiting either favourable (Dwarakanath et al.

Analogous observations were also reported by Baker (1979a) for the millipede Ommatoiulus moreletii, in which activity peaks were recorded during the breeding period in autumn/early winter. In summer, most animals displayed little activity - due to their high moisture and moderate temperature preferences - and formed aggregations in favourable microsites (Baker 1980). In the isopod Schizidium tiberianum surface activity in early winter is conditioned by the first rains and ceases by late spring.

B Pilogalumna allifera and c Achipteria oudemansi to constant temperature conditions. Arrows indicate the moment of temperature change. (Stamou et al. 1995) 3 days at 24 and 11 °c. After 72 h the temperature of 24 °C experienced by the experimental animals was changed to 11 °C, while that of 11 °C experienced Acclimation to Constant Temperature 39 by the second batch of experimental animals was raised to 24 DC. Thus, animals acclimated for 3 days to constant temperature experienced a sudden temperature rise or reduction of 13 DC.

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