Edmunds, Peter J - California State University, Northridge

个人简介

Ph.D. Glasgow University

研究领域

Research in my lab focuses on the physiological ecology of tropical reef corals and I work at the organismic, population, and community levels. My research program is structured into two thematic areas. First, I study the ecology and long-term dynamics of coral reefs to identify temporal trends and provide an ecological context within which mechanistic research can be designed. Over the last 30 years, most of my ecological research has taken place on the shallow reefs along the south coast of St. John, US Virgin Islands (http://mcr.lternet.edu/vinp/overview/), and on the coral reefs around Moorea, French Polynesia (http://mcr.lternet.edu). In St. John, the coral reefs are protected within the VI National Park and Biosphere Reserve and I work closely with biologists and resource managers associated with the Virgin Islands National Park to study long-term changes in coral reef communities, and test hypotheses that shed light on the processes driving these changes. In 2013, I began a new project in collaboration with Dr. Howard Lasker (U of Buffalo) to evaluate how the octocoral communities have changed in concert with changes affecting stony corals and macroalgae. In Moorea, I serve as a co-PI on the Moorea Coral Reef LTER which has the objective of quantifying long-term changes in coral communities within a multidisciplinary context created by the large team of scientists associated with the project. My research in Moorea provide a rich context describing the dynamics of coral reefs that are strongly affected by routine physical forces (e.g., storm waves), and periodic disturbances such as the recent outbreak of the crown of the thorns seastar, Acanthaster planci, that decimated these reefs by 2010, and cyclones, like one that hit Moorea in 2010. Remarkably, the outer reefs have staged a phenomenal recovery from both of these events, and by 2016, areas of the outer reef had > 50% coral cover. Second, I study the biology of individual corals to better understand their basic functionality and establish mechanistic links between organism performance and community dynamics. My work in this area continues to be strongly influenced by the patterns emerging from my time-series research, but recent studies have focused on evaluating the response of corals to ocean acidification (increasing seawater pCO2) and climate change (rising seawater temperature). I share funding with Robert Carpenter (http://www.csun.edu/science-mathematics/biology/robert-c-carpenter) to study the effects of these agents on reef corals and coral reefs in Moorea, and to this end, we have been conducting a program of experimentation utilizing common gardens, shore-based mesocosms and flumes, and in water incubations using field-deployable flumes.

近期论文

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2016 Tsounis G, Edmunds PJ. Three decades of coral reef community dynamics in St. John, USVI: a contrast of scleractinians and octocorals. Ecosphere (in press, November 2016) 2016 Edmunds PJ, Yarid A. The effects of ocean acidification on wound repair in the coral Porites spp. Journal of Experimental Marine Biology and Ecology (in press, October 2016) 2016 Lenz EA, Edmunds PJ. Branches and plates of the morphologically plastic coral Porites rus are insensitive to ocean acidification and warming. Journal of Experimental Marine Biology and Ecology (in press, October 2016) 2016 Edmunds, PJ, Burgess, S. Size-dependent physiological responses of the branching coral Pocillopora verrucosa to elevated temperature and pCO2. Journal of Experimental Biology (in press October 2016) 2016 Edmunds PJ, Lasker HR. Cryptic regime shift in benthic community structure on shallow reefs in St. John, US Virgin Islands. Marine Ecology Progress Series (in press, Sept 2016). DOI 10.3354/meps11900 2016 Tsounis G, Edmunds PJ. The potential for self-seeding by the coral Pocillopora spp. in Moorea, French Polynesia. PeerJ (in press Sept 2016) 2016 Shaw, EC, Carpenter RC, Lantz CA, Edmunds PJ. Intraspecific variability in the response to ocean warming and acidification in a scleractinian coral. Marine Biology (in press Sept 2016) 2016 Evensen N.R., Edmunds, P.J. Interactive effects of ocean acidification and neighboring corals on the growth of Pocillopora verrucosa. Marine Biology (in press, May 2016) 2016 Edmunds PJ and 15 others. Integrating the effects of ocean acidification across functional scales on tropical coral reefs. Bioscience (in press Feb 2016) 2016 Comeau S, Carpenter RC, Lantz CA, Edmunds PJ. Parameterization of the response of calcification to temperature and pCO2 in the coral Acropora pulchra and the alga Lithophyllum kotschyanum. Coral Reefs (in press Feb 2016) 2016 Brown D., Edmunds P.J. Differences in the responses of three scleractinians and the hydrocoral Millepora platyphylla to ocean acidification. Marine Biology DOI 10.1007/s00227-016-2837-7 2016 Peter J. Edmunds, James J. Leichter, Erika C. Johnston, Eric J. Tong, Robert J. Toonen. Ecological and genetic variation in reef-building corals on four Society Islands. Limnology and Oceanography doi: 10.1002/lno.10231 2016 Peter J. Edmunds, James J. Leichter. Depth-dependent variation in coral reef community structure in French Polynesia. Ecosphere (in press Jan 2016) 2016 Lianne M. Jacobson, Peter J. Edmunds,Erik B. Muller, Roger M. Nisbet. The causes and implications of metabolic depression: the case of a resource-limited scleractinian coral. Journal of Experimental Biology (in press JEB) 2016 Bramanti, L, Edmunds PJ. Density-associated recruitment mediates coral population dynamics on a coral reef. Coral Reefs (in press, Jan 2016) 2016 Comeau, S., Carpenter, R.C., Edmunds, P.J. Effects of pCO2 on photosynthesis and respiration of tropical scleractinian corals and calcified algae. ICES Journal of Marine Science doi:10.1093/icesjms/fsv267 2015 Pratchett MS, Anderson KD, Hoogenboom MO, Widman E, Baird AH, Pansolfi JM, Edmunds PJ, Lough JM. Spatial, temporal and taxonomic variation in coral growth – implications for the structure and function of coral reef ecosystems. Oceanography and Marine Biology: An Annual Review 53: 215-295 2015 Edmunds PJ, Tsounis G, Lasker H. Differential distribution of octocorals and scleractinians around St. John and St. Thomas, US Virgin Islands. Hydrobiologia 767, 347-360 2015 Evensen NR, Edmunds PJ, Sakai K. Effects of pCO2 on the capacity for spatial competition by the corals Montipora aequituberculata and massive Porites spp. Marine Ecology Progress Series (in press, Oct 2015) 2015 Comeau S., Lantz C. A., Edmunds P. J., Carpenter R. C.Framework of barrier reefs threatened by ocean acidification. Global Change Biology doi: 10.1111/gcb.13023 2015 Lenz EA, Bramanti L, Lasker HR, Edmunds PJ.Long-term variation in the population density of gorgonians in St. John, US Virgin Islands. Coral Reefs doi:10. 1007/ s00338-015-1315-x 2015 Edmunds P.J. A quarter-century demographic analysis of the Caribbean coral, Orbicella annularis, and projections of population size over the next century. Limnology and Oceanography 60: 840-855 2015 Comeau S., Carpenter R. C., Lantz C. A., Edmunds P. J. Ocean acidification accelerates dissolution of experimental coral reef communities. Biogeosciences 12: 365-372 2015 Bramanti L, Iannelli M, Fan TY, Edmunds PJ. Using demographic models to project the effects of climate change on scleractinian corals: Pocillopora damicornis as a case study. Coral Reefs 34: 505-515