Caracterización biológica de Sierra Maderas del Carmen, Coahuila, México

Abstract

SIERRA MADERAS DEL CARMEN, COAHUILA IS LOCATED IN NORTHWESTERN COAHUILA AT ITS NORTHERN LIMIT WITH THE RIO GRANDE. ITS GEOGRAPHICAL POSITION IS 28°58'N-102°36'W TAKEN AT THE TOP OF THE MOUNTAIN BLOCK. IT IS CHARACTERIZED BY ABUNDANT XEROPHYTIC VEGETATION ON THE DESERT PLAIN AND THE ROCKY ZONES, WHERE FIVE SHRUBBY ASSOCIATIONS OCCUR. IN THE MOUNTAIN, SIX ASSOCIATIONS OF PINE AND OAK WOODS ARE NOTED. THE RECORDS OF VERTEBRATES COLLECTED, SEEN DIRECTLY OR BY REMAINS, INDICATES THREE FAUNISTIC ASSOCIATIONS WHICH ARE DELIMITATED WITH ITS REPRESENTATIVE SPECIES MOUNTAIN, DESERT AND SAXICOLOUS VERTEBRATES. FURTHERMORE, INSPECTION OF BIOLOGICAL MATERIALS REVEALS THE PRESENCE OF SEVEN ENDEMIC FORMS, TWO PROTECTED SPECIES, SEVEN ENDANGERED SPECIES AND FIVE SPECIES WHICH WERE COMMERCIALLY LOGGED. THE ABOVE FACTORS CALL FORM BIOLOGICAL CONSERVATION THE SIERRA MADERAS DEL CARMEN AS A NATIONAL PARK.