Scientific Name: POPULUS TRICHOCARPA/CORNUS STOLONIFERA CT 

 Common Name: BLACK COTTONWOOD/RED-OSIER DOGWOOD COMMUNITY 



Global rank: G4 Forest Service status: 

 State rank: S4 Federal Status: 



Element occurrence code: C1B3DFACA0 . 004 



Survey site name: MAIDEN EXCLOSURE - SOUTHEAST 



EO rank: EC 

 EO rank comments: THE SITE APPEARS TO HAVE BEEN HEAVILY 



GRAZED PRIOR TO EXCLOSURE ESTABLISHMENT 

 IN 1984. 



County: BEAVERHEAD 



USGS quadrangle: MELROSE 



Township: OOIS Range: 009W Section: 32 Precision: S 



Township-range comments: SE4SE4 



Survey date: 1991-08-20 Elevation: 5325 

 First observation: 1991 Slope/aspect: 2% / NORTHWEST 



Last observation: 1991-08-20 Size (acres) : 1 



Location: 



FROM THE MOOSE CREEK ROAD EXIT (#99) ON INTERSTATE 15, PROCEED NORTH 

 AND WEST ON FRONTAGE ROAD 0.5 MILE TO JUNCTION WITH A GRAVEL ROAD. 

 TAKE THIS GRAVEL ROAD SOUTH 1.2 MILES TO A Y INTERSECTION. GO LEFT AND 

 RIGHT CA. 1 MILE TO A BRIDGE CROSSING THE RIVER. CROSS THE BRIDGE. 

 EXCLOSURE IS TO THE RIGHT. 



Element occurrence data: 



WITHIN PLOT, 23 SPECIES OBSERVED. DOMINANTS INCLUDE: POPULUS 

 TRICHOCARPA (90% CANOPY COVER), SALIX EXIGUA (10%), CORNUS STOLONIFERA 

 (1%), ROSA ACICULARIS (10%), AND POA PALUSTRIS (40%). COMPLETE LIST ON 

 FILE AT MONTANA NATURAL HERITAGE PROGRAM. 



General site description: 



ALLUVIAL FLOOD PLAIN; PLOT POSITION IS FLOOD PLAIN IN WIDE VALLEY 

 BOTTOM. GRAVELLY ALLUVIUM PARENT MATERIAL AND TYPIC UDIFLUVENT SOIL 

 SUBGROUP. GROUND COVER: BARE SOIL (1%), TOTAL COARSE FRAGMENTS (0%). 



Land owner/manager: 



BLM: BUTTE DISTRICT, HEADWATERS RESOURCE AREA 

 PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



Comments: 



MTNHP PLOT #91RD048. SURVEY CONDUCTED BY R. L. DEVELICE. EXCLOSURE 

 ESTABLISHED IN 1984 (PERS. COMM. , JACK JONES, BLM, BUTTE). AN 

 OLD-GROWTH POPULUS TRICHOCARPA STAND WITH P. TRICHOCARPA SAPLING AND 

 SMALL TREE MORTALITY IN THE UNDERSTORY, AND MANY DEAD BRANCHES IN THE 

 MATURE P. TRICHOCARPA. 



Information source: 



DEVELICE, ROBERT L. [COMMUNITY ECOLOGIST] . MONTANA NATURAL HERITAGE 

 PROGRAM, 1515 EAST SIXTH AVE., HELENA, MT 59620. 



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