Chapter 1 - Núria BONADA

Regional amd local scale: convergences and divergences
habitat has more effect on the macroinvertebrate community than temporality, as has been
pointed out by Delucchi (1998).
Responses to temporality and habitat in mediterranean rivers suggest the existence of an
habitat template (Southwood, 1977; Poff & Ward, 1990; Townsend and Hildrew, 1994)
modulated by mediterranean climate, where the evolution acted establishing adaptative
convergences in macroinvertebrates between med-regions, whereas divergences may be related
to topographic, litologic or historical factors. Further studies focused on biological or ecological
species traits should be done to provide more information about similar response under
common flow disturbances and habitat heterogeneity independently of similarities and
differences between macroinvertebrate assemblages. Moreover, comparative information about
the annual and interannual changes of macroinvertebrate community between med-regions
would help us to understand better the identity and uniqueness of mediterranean rivers.
REFERENCES
ALBA-TERCEDOR, J.; GONZÁLEZ, G. & PUIG, M. A. (1992). Present level of knowledge
regarding fluvial macroinvertebrate communities in Spain. Limnetica, 8: 231-241.
ALEXANDER, W. J. R. (1985). Hydrology of low latitude Southern Hemisphere land masses.
Hydrobiologia, 125: 75-83.
ARMESTO, J. J.; LEÓN-LOBOS, P. & KALIN-ARROYO, M. K. (1997). Los bosques templados
del sur de Chile y Argentina: Una isla biogeográfica. In: Armesto, J. J.; Villagrán, C. &
Kalin-Arroyo, M. K. (eds.). Ecología de los bosques nativos de Chile. Editorial
Universitaria. Santiago de Chile. 23-28pp.
ARMITAGE, P. D.; MACHALE, A. M. & CRISP, D. C. (1974). A survey of stream invertebrates in
the Cow Green basin (Upper Teesdale) before inundation. Freshwat. Biol., 4: 369-398.
ASCHMANN, H. (1973).
a. Distribution and peculiarity of Mediterranean Ecosystems. In: Di Castri, F. &
Mooney, H. A. (eds). Mediterranean Type Ecosistems: Origin and structure. Springer-
Verlag, New York. 405 pp.
b. Man’s impact on the several regions with Mediterranean climates. In: Di Castri, F. &
Mooney, H. A. (eds). Mediterranean Type Ecosistems: Origin and structure. Springer-
Verlag, New York. 405 pp.
ATTIWILL, P. M.; GUTHRIE, H. B.; LEUNING, R. (1978). Nutrient cycling in Eucaliptus oblique
(L’Herit.) forest. I. Litter production and nutrient return. Aust. J. Bot., 26: 79-91.
AXELROD, D. I. (1973) History of the mediterranean ecosystem in California. In: Di Castri, F.
& Mooney, H. A. (eds). Mediterranean Type Ecosistems: Origin and structure. Springer-
Verlag, New York. 405 pp.
BADRI, A.; GUIDICELLI, J. & PRÉVOT, G. (1987). Effets d’une crue sur la communauté
d’invertébrés benthiques d’une rivière méditerranéenne, Le Rdat (Maroc). Acta
Oecologica, 8(4): 481-500.
BAILEY, R. G. (1995). Description of the ecoregions of the United States. Forest Service, US
Department of Agriculture. Publication 1391. Washington DC.
129