The temperature and the hydrological regime have been mentioned as dominant factors in the seasonal structuring of the macroinvertebrate community (Hawkins & Sedell, 1981; Statzner & Higler
, 1986; Beltran et al.
Other studies (Statzner & Higler
1985, Statzner et al.
En general la descarga hidraulica de un rio, es considerada como un factor importante de perturbacion ambiental que gobierna la estructura (Townsend, 1989; Ramirez & Pringle, 1998) y la zonacion de macroinvertebrados (Statzner & Higler
, MAI, is a staff real estate appraiser/consultant with the Broward County government in Florida, and maintains a private consulting/appraisal practice within the greater Fort Lauderdale area.
1984, Statzner and Higler
1986), some studies show that factors like disturbance, competition, and substrate heterogeneity can profoundly influence local species richness (e.
In addition to the classification schemes suggested above, many others are offered (Bartels, 1981; Cundiff and Higler
, 1984; Jain, 1987; and Shelp, 1984).