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ABELLA, S. R. 2004. TREE THINNING AND PRESCRIBED BURNING EFFECTS ON GROUND FLORA IN ARIZONA PONDEROSA PINE FORESTS: A REVIEW. JOURNAL OF THE ARIZONA-NEVADA ACADEMY OF SCIENCE 36(2):68-76. 2004 SCOTT R. ABELLA.
 

Summary: ABELLA, S. R. 2004. TREE THINNING AND PRESCRIBED BURNING EFFECTS ON GROUND FLORA IN ARIZONA PONDEROSA PINE
FORESTS: A REVIEW. JOURNAL OF THE ARIZONA-NEVADA ACADEMY OF SCIENCE 36(2):68-76. 2004 SCOTT R. ABELLA.
TREE THINNING AND PRESCRIBED BURNING EFFECTS ON GROUND FLORA IN
ARIZONA PONDEROSA PINE FORESTS: A REVIEW
SCOTT R. ABELLA, Ecological Restoration Institute, Northern Arizona University, Flagstaff, AZ 86011-5017
ABSTRACT
Ground flora is an important response variable to monitor after tree thinning and prescribed burning treatments de-
signed to restore Arizona ponderosa pine (Pinus ponderosa P.& C. Lawson) forests. This paper reviews published liter-
ature on the effects of thinning and burning on ground flora in Arizona ponderosa pine forests in five main categories
of research: ground flora biomass, species diversity, plant community composition, population processes, and individual
species ecology. Research published to date suggests that thinning and burning generally increase ground flora biomass,
whereas other categories of research such as community composition and population processes have been little studied
in Arizona ponderosa pine forests. Additional research needs include determining the relative importance of soil seed
banks, seed dispersal, and site conditions in post-treatment ground flora compositional dynamics using a demographic
approach; developing predictive modelsforexoticspecies distributionand containment; monitoring long-term(>5 years)
treatmenteffects;and geographically replicating experiments atdispersedsitesdifferinginecologicalconditionstodeter-
mine the spatial and contextual applicability of research findings. To meet desired outcomes of ecological restoration
including criteria for high native and low exotic species diversity, treatments supplementary to thinning and burning such
as seeding of native species and life-history specific control methods of exotic species might be needed on some restora-
tion sites.

  

Source: Abella, Scott R. - School of Life Sciences, University of Nevada at Las Vegas

 

Collections: Environmental Sciences and Ecology