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The San Pedro River: |
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A LAST GREAT PLACE: |
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An intact, high quality ecosystem that has a chance
of survival. |
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“The earth’s biologically richest lands” |
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A GLOBALLY IMPORTANT BIRD AREA - 400 SPECIES |
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THE HIGHEST CONCENTRATION OF MAMMAL SPECIES IN
NORTH AMERICA |
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FOUR GLOBALLY IMPERILED NATURAL COMMUNITIES |
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THE MAIN NEOTROPICAL FLYWAY IN THE WEST - TEN TIMES
THAT OF ANY OTHER WESTERN CORRIDOR. |
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CRUCIAL POLLINATOR CORRIDOR FOR THE WESTERN
HEMISPHERE. |
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THE LONGEST CONTINUOUS ARCHEAOLOGICAL RECORD IN
THE CONTINENTAL U.S. |
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CONCLUSION: THE SAN PEDRO RIVER BASIN IS A
“KEYSTONE” TRANSITION ZONE THAT SUSTAINS BIODIVERSITY IN OTHER ECO-REGIONS. |
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BASEFLOW CONDITIONS ARE INDEPENDENT FROM THE
UPPER RIVER. |
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THE HIGHEST QUALITY RIPARIAN AREA IN THE SONORAN
DESERT ECOREGION. |
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A LARGELY UNFRAGMENTED LANDSCAPE. |
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WILDLIFE CORRIDORS CON-NECT “SKY ISLANDS”. |
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ONE OF SAN PEDRO RIVER’S LARGEST TRIBUTARIES -
OVER 100 SQ. MI. DRAINAGE |
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MEETING PLACE OF TWO ECOREGIONS - SONORAN AND
APACHE HIGHLANDS |
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A MAJOR
WILDLIFE CORRIDOR - CONNECTS GALIURO MTS. AND SAN PEDRO RIVER |
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Notes