Andrea H. Lloyd

Education

Ph.D., 1996, Laboratory of Tree-Ring Research and Department of Ecology and Evolutionary Biology, The University of Arizona, Tucson, AZ 85721 Ph.D. Advisor: Dr. Lisa J. Graumlich Dissertation Title:Patterns and processes of treeline forest response to late Holocene climate change in the Sierra Nevada, California

M.S., 1993, Department of Biology and Wildlife, University of Alaska Fairbanks, AK 99775. M.S. Advisors: Dr. Mary Edwards and Dr. Scott Armbruster Master's thesis title: Ecology of a steppe-tundra ecotone in interior Alaska: modern dynamics and paleoecological interpretations

Publications

• Lloyd, A.H. and C.L. Fastie (In Press). Recent changes in treeline forest distribution and structure in interior Alaska. Ecoscience.
• Lloyd, A.H., T. S. Rupp, C.L. Fastie, and A. M. Starfield. (2003; In Press). Patterns and dynamics of treeline advance on the Seward Peninsula, Alaska. Journal of Geophysical Research-Atmospheres.
• Sveinbjörnsson, B., A. Hofgaard, and A.H. Lloyd. 2002. Natural causes of the tundra-taiga boundary. Dynamics of the Tundra-Taiga Interface, Ambio. Special Report No. 12: 23-29.
• Lloyd, A.H. and C.L. Fastie. 2002. Spatial and temporal variability in tree growth and climate response of treeline trees in Alaska. Climatic Change. 52:481-509.
  
• Lloyd, A.H. 1998. Growth of foxtail pine seedlings at treeline in the southeastern Sierra Nevada, California, U.S.A. Ecoscience. 5(2):250-257.
• Lloyd, A.H. 1997. Response of treeline populations of foxtail pine (Pinus balfouriana) to climate variation over the last 1,000 years. Canadian Journal of Forest Research. 27:936-942.
• Lloyd, A.H. and L.J. Graumlich. 1997. Holocene dynamics of treeline forests in the Sierra Nevada. Ecology. 78:1199-1210.
• Graumlich, L.J. and A.H. Lloyd. 1996. Dendroclimatic, ecological and geomorphological evidence for long-term climatic change in the Sierra Nevada, U.S.A. in Tree-Rings, Humanity, and the Environment: Proceedings of the International Tree-Ring Conference. Tucson, AZ. 1994.
• Conkey, L.E., M. Keifer, and A.H. Lloyd. 1995. Disjunct jack pine (Pinus banksiana Lamb.) structure and dynamics, Acadia National Park, Maine. Ecoscience. 2(2):168-176.
• Lloyd, A.H., W.S. Armbruster, and M.E. Edwards. 1994. Ecology of a steppe-tundra gradient in interior Alaska. Journal of Vegetation Science. 5:897-912.