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Analysis of combined data sets yields trend estimates for vulnerable spruce-fir birds in northern United States

Joel Ralston, Auteur ; David I. King, Auteur ; William V. DeLuca, Auteur ; Gerald J. Niemi, Auteur ; Michale J. Glennon, Auteur ; Judith C. Scarl, Auteur ; J. Daniel Lambert, Auteur

Dans Biological Conservation (187 JUL 2015)

Continental-scale monitoring programs with standardized survey protocols play an important role in conservation science by identifying species in decline and prioritizing conservation action. However, rare, inaccessible, or spatially fragmented [...]

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