Akçakaya Lab
Applied Ecology and Conservation Biology









  Books     Peer-reviewed articles     Book chapters     Software  
(Click on each to enlarge)
Risk Assessment in Consrvation Biology   Applied Population Ecology   Applied Population Ecology (Japanese)   Species Conservation and Management: Case Studies   Demographic Toxicity  

Akçakaya, H.R., J.D. Stark, and T.S. Bridges (editors). 2008. Demographic Toxicity: Methods in Ecological Risk Assessment. Oxford University Press, New York.

Akçakaya, H.R., M.A. Burgman, O. Kindvall, C. Wood, P. Sjögren-Gulve, J. Hatfield, and M.A. McCarthy (editors). 2004. Species Conservation and Management: Case Studies. Oxford University Press, New York.

Akçakaya, H.R., M.A. Burgman and L.R. Ginzburg. 1999. Applied Population Ecology. Second edition. Sinauer Associates, Sunderland, Massachusetts. 285 pp.

Akçakaya, H.R., M.A. Burgman and L.R. Ginzburg. 2002. [Applied Population Ecology]. Japanese edition. Translated by H. Kusuda, K. Onoyama, and Y. Konno; published by Bun-ichi Sogo Shuppan Co., Tokyo. December 2002.

Burgman, M.A., S. Ferson and H.R. Akçakaya. 1993. Risk Assessment in Conservation Biology. Chapman and Hall, London. 314 pp.

  Books     Peer-reviewed articles     Book chapters     Software  

Peer-reviewed articles:

Akçakaya, H.R., E.L. Bennett, T.M. Brooks, M.K. Grace, A. Heath, C. Hilton-Taylor, M.K. Hoffmann, D.A. Keith, B. Long, D.P. Mallon, E. Meijaard, E.J. Milner-Gulland, A. Rodrigues, J.P. Rodriguez, P.J. Stephenson, S.N. Stuart, & R.P. Young. 2018. Quantifying species recovery and conservation success to develop an IUCN Green List of Species. Conservation Biology https://doi.org/10.1111/cobi.13112.

Keith, D.A., H.R. Akçakaya, N.J. Murray. 2018. Scaling range sizes to threats for robust predictions of risks to biodiversity. Conservation Biology 32:322–332.

Akçakaya, H.R., D.A. Keith, M. Burgman, S.H.M. Butchart, M. Hoffmann, H.M. Regan, I. Harrison, E. Boakes. 2017. Inferring extinctions III: A cost-benefit framework for listing extinct species. Biological Conservation 214:336-342.

Keith, D.A., S.H.M. Butchart, H.M. Regan, I. Harrison, H.R. Akçakaya, A.R. Solow, M.A. Burgman. 2017. Inferring extinctions I: A structured method using information on threats. Biological Conservation 214:320-327.

Rosa, I.M.D., et al. 2017. Multiscale scenarios for nature futures. Nature Ecology and Evolution 1:1416-1419.

Aiello-Lammens, M.A. and H.R. Akçakaya. 2017. Using global sensitivity analysis of demographic models for ecological impact assessment. Conservation Biology 31: 116-125.

Cullen, L., J.C. Stanton, F. Lima, A. Uezu, M.L.L. Perilli, and H.R. Akçakaya. 2016. Implications of fine-grained habitat fragmentation and road mortality for jaguar conservation in the Atlantic forest, Brazil. PLoS ONE 11(12): e0167372. doi:10.1371/journal.pone.0167372

Regehr, E.V., K.L. Laidre, H.R. Akçakaya, S.C. Amstrup, T.C. Atwood, N.J. Lunn, M. Obbard, H. Stern, G.W. Thiemann, and Ø. Wiig. 2016. Conservation status of polar bears (Ursus maritimus) in relation to projected sea-ice declines. Biology Letters 12: 20160556. http://dx.doi.org/10.1098/rsbl.2016.0556

Ryu, H.Y., K.T. Shoemaker, E. Kneip, A. Pidgeon, P. Heglund, B. Bateman, W. Thogmartin, and H.R. Akçakaya*. 2016. Developing population models with data from marked individuals. Biological Conservation 197:190-199.
Methods and data archived in github.com/Akcakaya/MAPS-to-Models.

Collen, B., N.K. Dulvy, K. Gaston, U. Gärdenfors, D. Keith, A. Punt, H. Regan, M. Böhm, S. Hedges, M. Seddon, S. H. M. Butchart, M.Hoffmann, S. Bachman, and H. R. Akçakaya. 2016. Clarifying misconceptions of extinction risk assessment with the IUCN Red List. Biology Letters 12: 20150843. http://dx.doi.org/10.1098/rsbl.2015.0843

Fordham, D.A., H.R. Akçakaya, J. Alroy, F. Saltré, T.M. Wigley, B.W. Brook.2016. Predicting and mitigating future biodiversity loss using long-term ecological proxies. Nature Climate Change 6:909-916

Bateman, B.L., A.M. Pidgeon, V.C. Radeloff, C.H. Flather, J. VanDerWal, H.R. Akçakaya, W.E. Thogmartin, T.P. Alrbight, S.J. Vavrus, and P.J. Heglund. 2016. Potential breeding distributions of U.S. birds predicted with short-term variability and long-term average climate data. Ecological Applications 26:2720-2731.

Brooks, T.M., H.R. Akçakaya, N.D. Burgess, S.H.M. Butchart, C. Hilton-Taylor, M. Hoffmann, D. Juffe-Bignoli, N. Kingston, B. MacSharry, M. Parr, L. Perianin, E.C. Regan, A.S.L. Rodrigues, C. Rondinini, Y. Shennan-Farpon, and B.E. Young. 2016. Analysing biodiversity and conservation knowledge products to support regional environmental assessments. Scientific Data 3:160007.
Data archived in datadryad.com.

Prowse, T., C. Bradshaw, S. Delean, P. Cassey, R. Lacy, K. Wells, M. Aiello-Lammens, H.R. Akçakaya, B. Brook. 2016. An efficient protocol for the global sensitivity analysis of stochastic ecological models. Ecosphere 7(3):e01238. 10.1002/ecs2.1238

Stanton, J.C., K.T. Shoemaker, R.G. Pearson, R.G., and H.R. Akçakaya. 2015. Warning times for species extinctions due to climate change. Global Change Biology 21:1066-1077.

Shoemaker, K. T. and H. R. Akçakaya. 2015. Inferring the nature of anthropogenic threats from long-term abundance records. Conservation Biology 29:238-249.

Pacifi, M., W.B. Foden, P. Visconti, J.E.M. Watson, S. H.M. Butchart, K.M. Kovacs, B.R. Scheffers, D.G. Hole, T.G. Martin, H.R. Akçakaya, R.T. Corlett, B. Huntley, D. Bickford, J.A. Carr, A.A. Hoffmann, G.F. Midgley, P. P. Kelly, R.G.Pearson, S.E. Williams, S.G. Willis, B. Young, C. Rondinini. 2015. Assessing species vulnerability to climate change. Nature Climate Change 5:215-225.

Joppa, L. N., S. H. M. Butchart, M. Hoffmann, S. Bachman, H. R. Akçakaya, J. Moat, M. Böhm, R. A. Holland, A. Newton, B. Polidoro, and A. Hughes. 2015. Impact of alternative metrics on estimates of extent of occurrence for extinction risk assessment. Conservation Biology 30:362–370 DOI: 10.1111/cobi.12591

Keith, D., H.R. Akçakaya, S.H.M. Butchart, B. Collen, N.K. Dulvy, E.E. Holmes, J.A. Hutchings, D. Keinath, M.K. Schwartz, A.O. Shelton, R.S. Waples. 2015. Temporal correlations in population trends: conservation implications from time-series analysis of diverse animal taxa. Biological Conservation 192:247-257.

Bateman, B.L., A.M. Pidgeon, V.C. Radeloff, A.J. Allstadt, H.R. Akçakaya, W.E. Thogmartin, S.J. Vavrus and P.J. Heglund. 2015. The importance of range edges for an irruptive species during extreme weather events. Landscape Ecology 30:1095-1110.

Shelton, A.O., J.A. Hutchings, R.S. Waples, D.M. Keith, H.R. Akçakaya, N.K. Dulvy. 2015. Maternal age effects on Atlantic cod recruitment and implications for future population trajectories. ICES Journal of Marine Science. 72:1769-1778.

Akçakaya, H.R., S.H.M. Butchart, J.E.M. Watson, R.G. Pearson. 2014. Preventing species extinctions resulting from climate change. Nature Climate Change 4:1048-1049.

Stanton, J. C. 2014. Present-day risk assessment would have predicted the extinction of the passenger pigeon (Ectopistes migratorius). Biological Conservation 180:11-20.

Pearson, R.G., J.C. Stanton , K.T. Shoemaker, M.E. Aiello-Lammens, P.J. Ersts, N. Horning, D.A. Fordham, C.J. Raxworthy, H.Y. Ryu, J. McNees, and H.R. Akçakaya. 2014. Life history and spatial traits predict extinction risk due to climate change. Nature Climate Change 4:217-221.

Shoemaker, K.T., R.C. Lacy, M.L. Verant, B.W. Brook, T.M. Livieri, P.S. Miller, D.A. Fordham, and H.R. Akçakaya. 2014. Effects of prey metapopulation structure on the viability of black-footed ferrets in plague-impacted landscapes: a metamodelling approach. Journal of Applied Ecology 51:735–745. doi:10.1111/1365-2664.12223

Fordham, D. A., K. T. Shoemaker, N. H. Schumaker, H. R. Akçakaya, N. Clisby, and B. W. Brook. 2014. How interactions between animal movement and landscape processes modify local range dynamics and extinction risk. Biology Letters 10 doi: 10.1098/rsbl.2014.0198

Keith, D.A. M. Mahony, H. Hines, J. Elith, T.J. Regan, J.B. Baumgartner, D. Hunter, G.W. Heard, N.J. Mitchell, K.M. Parris, T. Penman, B. Scheele, C.C. Simpson, R. Tingley, C.R. Tracy, M. West, and H.R. Akçakaya. 2014. Detecting extinction risk from climate change by IUCN Red List criteria. Conservation Biology 28:810-819.

Penone, C., A. D. Davidson, K. T. Shoemaker, M. Di Marco, C. Rondinini, T. M. Brooks, B. E. Young, C. H. Graham, and G. C. Costa. 2014. Imputation of missing data in life-history trait datasets: Which approach performs the best? Methods in Ecology and Evolution 5:961-970.

Shoemaker, K. T., A. R. Breisch, J. W. Jaycox, and J. P. Gibbs. 2014. Disambiguating the minimum viable population concept: Response to Reed and Mccoy. Conservation Biology 28:871-873.

Bonebrake, T.C., A.D. Syphard, J. Franklin, K. E. Anderson, H. R. Akçakaya, T. Mizerek, C. Winchell, H. M. Regan. 2014. Fire management, managed relocation, and land conservation options for long-lived obligate seeding plants under global changes in climate, urbanization, and fire regime. Conservation Biology 28:1057-1067.

Davidson, A. D., M. T. Friggens, K. T. Shoemaker, C. L. Hayes, J. Erz, and R. Duran. 2014. Population dynamics of reintroduced Gunnison's prairie dogs in the southern portion of their range. The Journal of Wildlife Management 78:429-439.

Chan, H-K, Shoemaker, K.T. & Karraker, N.E. 2014. Demography of Quasipaa frogs in China reveals high vulnerability to widespread harvest pressure. Biological Conservation 170:3-9.

Fordham, D.A., H.R. Akçakaya, B.W. Brook, A. Rodríguez, P.C. Alves, E. Civantos, M. Triviño, M.J. Watts and M.B. Araújo. 2013. Adapted conservation measures are required to save the Iberian lynx in a changing climate. Nature Climate Change 3:899-903. doi:10.1038/nclimate1954.

Watts, M.J., D.A. Fordham, H.R. Akçakaya, M.E. Aiello-Lammens, B.W. Brook. 2013. Tracking shifting range margins using geographical centroids of metapopulations weighted by population density. Ecological Modelling 269:61-69.

Fordham, D., H.R. Akcakaya, M. Araújo, D. Keith, B.W. Brook. 2013. Tools for integrating range change, extinction risk and climate change information into conservation management. Ecography 36:956-964.

Foden,W.B., S. H. M. Butchart, S. N. Stuart, J.-C. Vié, H. R. Akçakaya, A. Angulo, L. M. DeVantier, A. Gutsche, E. Turak, L. Cao, S. D. Donner, V. Katariya, R. Bernard, R. A. Holland, A. F. Hughes, S. E. O'Hanlon, S. T. Garnett, Ç. H. Sekercioglu and G. M. Mace. 2013. Identifying the world's most climate change vulnerable species: a trait-based assessment of birds, amphibians and corals. PLoS ONE 8(6): e65427. doi:10.1371/journal.pone.0065427.

Fordham, D.A., C. Mellin C, B.D.Russell, H.R. Akçakaya, C.J.A. Bradshaw, M.E. Aiello-Lammens†, M.J. Caley, S.D. Connell, S. Mayfield, S.A. Shepherd and B.W. Brook. 2013. Population dynamics can be more important than physiological limits for determining range shifts under climate change. Global Change Biology 19:3224-3237.

Linhoss, A. C., G. A. Kiker, M. E. Aiello-Lammens, M. L. Chu-Agor, M. Convertino, R. Munoz-Carpena, R. Fischer, and I. Linkov. 2013. Decision analysis for species preservation under sea-level rise. Ecological Modelling 263:264-272.

Akçakaya, H.R., S. Ferson, M.A. Burgman, D.A. Keith, G.M. Mace and C.R. Todd. 2012. Commentary: IUCN classifications under uncertainty. Environmental Modelling & Software 38: 119-121. [author manuscript]

Harris, J.B.C., D.A. Fordham, P.A. Mooney, L.P. Pedler, M.B. Araújo, D.C. Paton, M.G. Stead, M.J. Watts, H.R. Akçakaya, and B.W. Brook. 2012. Managing the long-term persistence of a rare cockatoo under climate change. Journal of Applied Ecology 49: 785-794.

Stanton, J.C., R.G. Pearson, N. Horning, P. Ersts, and H.R. Akçakaya*. 2012. Combining static and dynamic variables in species distribution models under climate change. Methods in Ecology and Evolution 3: 349–357.

Fordham, D.A., H.R. Akçakaya, M. Araújo, J. Elith, D. Keith, R. Pearson, T.D. Auld, C. Mellin, J.W. Morgan, T.J. Regan, M. Tozer, M.J. Watts, M. White, B. Wintle, C. Yates, and B.W. Brook. 2012. Plant extinction risks under climate change: are forecast range shifts alone a good indicator of species vulnerability to global warming? Global Change Biology 18: 1357–1371.

Chu-Agor, M.L., R. Muñoz-Carpena, G.A. Kiker, M.E. Aiello-Lammens†, H.R. Akçakaya, M. Convertino, and I. Linkov. 2012. Simulating the fate of Florida Snowy Plovers with sea-level rise: exploring research and management priorities with a global uncertainty and sensitivity analysis perspective. Ecological Modelling 224: 33-47.

Aiello-Lammens†, M.E., M.L. Chu-Agor, M. Convertino, R.A. Fischer, I. Linkov, and H.R. Akçakaya*. 2011. The impact of sea-level rise on snowy plovers in Florida: Integrating geomorphological, habitat, and metapopulation models. Global Change Biology 17: 3644–3654.

Akçakaya*, H.R., G.M. Mace, K.J. Gaston, H. Regan, A. Punt, S.H.M. Butchart, D.A. Keith, U. Gärdenfors. 2011. The SAFE index is not safe. Frontiers in Ecology and the Environment 9: 485–486.

Kuemmerle, T., K. Perzanowski, H.R. Akçakaya, F. Beaudry, T.R. van Deelen, I. Parnikoza, P. Khoyetskyy, D.M. Waller, and V.C. Radeloff. 2011. Cost-effectiveness of different conservation strategies to establish a European bison metapopulation in the Carpathians. Journal of Applied Ecology 48:317-329.

Hoffmann, M., C. Hilton-Taylor, and 172 other authors. 2010. The impact of conservation on the status of the world's vertebrates. Science 330:1503-1509.

Clark, F., B.W. Brook, S. Delean, H.R. Akçakaya, C.J.A. Bradshaw. 2010. The theta-logistic is unreliable for modelling most census data. Methods in Ecology and Evolution 1: 253-262.

Brook, B.W., H.R. Akçakaya, D.A. Keith, G.M. Mace, R.G. Pearson, and M.B. Araújo. 2009. Integrating bioclimate with population models to improve forecasts of species extinctions under climate change. Biology Letters 5:723-725.

Anderson, B., H.R. Akçakaya, M. Araújo, D. Fordham, E. Martinez-Meyer, W. Thuiller, B.W. Brook. 2009. Dynamics of range margins for metapopulations under climate change. Proceedings of the Royal Society B 276:1415–1420.

Keith, D.A, H.R. Akçakaya, W. Thuiller, G.F. Midgley, R.G. Pearson, S.J. Phillips, H.M. Regan, M.B. Araújo, T.G. Rebelo. 2008. Predicting extinction risks under climate change: coupling stochastic population models with dynamic bioclimatic habitat models. Biology Letters 4:560-563.

Mace, G.M., N. Collar, K.J. Gaston, C. Hilton-Taylor, H.R. Akçakaya, N. Leader-Williams, E.J. Milner-Gulland and S.N. Stuart. 2008. Quantification of extinction risk: the background to IUCN's system for classifying species. Conservation Biology 22:1424-1442.

Baillie, J.E.M., B. Collen, R. Amin, H.R. Akçakaya, S.H.M. Butchart, N. Brummitt, T.R. Meagher, M. Ram, C. Hilton-Taylor, and G.M. Mace. 2008. Towards monitoring global biodiversity. Conservation Letters 1:18-26.

Butchart, S., H.R. Akçakaya, , J. Chanson, J.E.M. Baillie, B. Collen, S. Quader, W. R. Turner, R. Amin, S.N. Stuart, C. Hilton-Taylor. 2007. Improvements to the Red List Index. PloS ONE 2(1): e140. doi:10.1371/journal.pone.0000140.

Akçakaya, H.R., S. Butchart, G.M. Mace, S.N. Stuart, and C. Hilton-Taylor. 2006. Use and misuse of the IUCN Red List Criteria in projecting climate change impacts on biodiversity. Global Change Biology 12:2037-2043.

Dunham, A.E., H.R. Akçakaya, T. S. Bridges. 2006. Using models for precautionary assessments of threatened species. Conservation Biology 20: 1499-1506.

Butchart, S., H.R. Akçakaya, E. Kennedy, L. Master and C. Hilton-Taylor. 2006. Biodiversity indicators based on trends in conservation status: strengths of the IUCN Red List Index. Conservation Biology 20:579-581.

Radeloff, V.C., D.J. Mladenoff, E.J. Gustafson, R.M. Scheller, H.S. He, P.A. Zollner, and H.R. Akçakaya. 2006. Modeling forest harvesting effects on landscape pattern in the Northwest Wisconsin Pine Barrens. Forest Ecology and Management 236: 113-126.

Akçakaya, H.R., J. Franklin, A.D. Syphard, and J.R. Stephenson. 2005. Viability of Bell's sage sparrow (Amphispiza belli ssp. belli): altered fire regimes. Ecological Applications 15:521-531.

Sibly, R. M. Akçakaya HR, Topping C, O'Connor RJ. 2005. Population-level assessment of risks of pesticides to birds and mammals in the UK. Ecotoxicology 14 (8): 863-876.

Butchart, S.H.M., A.J. Stattersfield, L.A. Bennun, H.R. Akçakaya, J. Baillie, S.N. Stuart, C. Hilton-Taylor and G.M. Mace. 2005. Using Red List Indices to measure progress towards the 2010 target and beyond. Philosophical Transactions: Biological Sciences 360:255-268.

Topping C.J., Sibly R.M., Akçakaya H.R., Smith G.C., Crocker, D.R. 2005. Risk assessment of UK skylark populations using life-history and individual-based landscape models. Ecotoxicology 14 (8): 925-936.

Roelofs, W., Crocker, D.R., Shore, R.F., Moore, D.R.J., Smith, G.C., Akçakaya, H.R., and 24 others. 2005. Case Study Part 2: Probabilistic modelling of long-term effects of pesticides on individual breeding success in birds and mammals. Ecotoxicology 14 (8): 895 - 923.

Shore, R.F., Crocker, D.R., Akçakaya, H.R., and 27 others. 2005. Case Study Part 1: How to Calculate Appropriate Deterministic Long-term Toxicity to Exposure Ratios (TERs) for Birds and Mammals. Ecotoxicology 14 (8): 877 - 893.

Akçakaya, H.R., V.C. Radeloff, D.J. Mladenoff, and H.S. He. 2004. Integrating landscape and metapopulation modeling approaches: viability of the sharp-tailed grouse in a dynamic landscape. Conservation Biology 18:526-537.

Rodrigues, A.S.L., H.R. Akçakaya, S.J. Andelman, and 18 others. 2004. Global gap analysis: priority regions for expanding the global protected area network. BioScience 54:1092-1100.

Butchart, S.H.M. , A.J. Stattersfield, L.A. Bennun, S.M. Shutes, H.R. Akçakaya, J.E.M. Baillie, S.N. Stuart, C. Hilton-Taylor and G.M. Mace. 2004. Measuring global trends in the status of biodiversity: Red List Indices for birds. PLoS Biology 2(12): e383.
(Related "News and Views" article in Nature 431:1046-1047; 28 October 2004).

Akçakaya, H.R., J.L. Atwood, D. Breininger, C.T. Collins, and B. Duncan. 2003. Metapopulation dynamics of the California least tern. Journal of Wildlife Management 67(4):829-842.

Akçakaya, H.R., J.M. Halley, and P. Inchausti. 2003. Population-level mechanisms for reddened spectra in ecological time series. Journal of Animal Ecology 72: 698-702.

Lamoreux, J., H.R. Akçakaya, L. Bennun, N. Collar, L. Boitani, D. Brackett, A. Brautigam, T.M. Brooks, G. Fonseca, R.A. Mittermeier, A.B. Rylands, U. Gardenfors, C. Hilton-Taylor, G. Mace, B.A. Stein, S. Stuart. 2003. Value of the IUCN Red Lists. Trends in Ecology and Evolution 18(5):214-215.

Root, K.V., H.R. Akçakaya and L.R. Ginzburg. 2003. A multi-species approach to ecological valuation and conservation. Conservation Biology 17:196-206.

Regan, H.M., H.R. Akçakaya, S. Ferson, K.V. Root, S. Carroll, and L.R. Ginzburg. 2003. Treatments of uncertainty and variability in ecological risk assessment of single-species populations. Human and Ecological Risk Assessment 9: 889-906.

Bartell S.M., R.A. Pastorok, H.R. Akçakaya, H. Regan, S. Ferson, and C. Mackay. 2003. Realism and relevance of ecological models used in chemical risk assessment. Human and Ecological Risk Assessment 9:907-938.

Pastorok, R.A., H.R. Akçakaya, H. Regan, S. Ferson and S. M. Bartell. 2003. Role of ecological modeling in risk assessment. Human and Ecological Risk Assessment 9(4): 939-972.

Akçakaya, H.R. 2002. Estimating the variance of survival rates and fecundities. Animal Conservation 5:333-336.

Brook, B. W., M. A. Burgman, H. R. Akçakaya, J. J. O'Grady, and R. Frankham. 2002. Critiques of PVA ask the wrong questions: throwing the heuristic baby out with the numerical bathwater. Conservation Biology 16:262-263.

Milner-Gulland, E.J. and H.R. Akçakaya. 2001. Sustainability indices for exploited populations under uncertainty. Trends in Ecology and Evolution 16(12):686-692.

Akçakaya, H.R. 2001. Linking population-level risk assessment with landscape and habitat models. Science of the Total Environment 274:283-291.

Akçakaya, H.R. 2000. Population viability analyses with demographically and spatially structured models. Ecological Bulletins 48:23-38.

Akçakaya H.R. and P. Sjögren-Gulve. 2000. Population viability analyses in conservation planning: an overview. Ecological Bulletins 48:9-21.

Brook, B.W., J. J. O'Grady, A. P. Chapman, M. A. Burgman, H. R. Akçakaya, R. Frankham. 2000. Predictive accuracy of population viability analysis in conservation biology. Nature 404:385-387.

Akçakaya, H.R., S. Ferson, M.A. Burgman, D.A. Keith, G.M. Mace and C.R. Todd. 2000. Making consistent IUCN classifications under uncertainty. Conservation Biology 14:1001-1013.

Akçakaya, H.R. 2000. Viability analyses with habitat-based metapopulation models. Population Ecology 42:45-53.

Akçakaya, H.R. 2000. Conservation and management for multiple species: integrating field research and modeling into management decisions. Environmental Management 26: S75-S83.

Colyvan, M., M. Burgman, C. Todd, H.R. Akçakaya and C. Boek. 1999. The treatment of uncertainty and the structure of the IUCN categories. Biological Conservation 89:245-249.

Drechsler M., B.B. Lamont, M.A. Burgman, H.R. Akçakaya, E.T.F. Witkowski, Supriyadi. 1999. Modelling the persistence of an apparently immortal Banksia species after fire and land clearing. Biological Conservation 88:249-259.

Akçakaya, H.R. and M.G. Raphael. 1998. Assessing human impact despite uncertainty: viability of the northern spotted owl metapopulation in the northwestern USA. Biodiversity and Conservation 7:875-894.

Akçakaya, H.R. and J.L. Atwood. 1997. A habitat-based metapopulation model of the California Gnatcatcher. Conservation Biology 11:422-434.

Akçakaya, H.R. and B. Baur. 1996. Effects of population subdivision and catastrophes on the persistence of a land snail metapopulation. Oecologia 105:475-483.

Rohlf, F.J., H.R. Akçakaya and S. Ferraro. 1996. Optimizing composite sampling protocols. Environmental Science and Technology 30:2899-2905.

Akçakaya, H.R., M.A. McCarthy and J. Pearce. 1995. Linking landscape data with population viability analysis: management options for the helmeted honeyeater. Biological Conservation 73:169-176.

Akçakaya, H.R. and M. Burgman. 1995. PVA in theory and practice (letter). Conservation Biology 9:705-707.

Lindenmeyer, D., M. Burgman, H.R. Akçakaya, R. Lacy and H.Possingham. 1995. A review of generic computer programs ALEX, RAMAS/space and VORTEX for modelling the viability of wildlife metapopulations. Ecological Modelling 82:161-174.

Akçakaya, H.R., R. Arditi and L.R. Ginzburg. 1995. Ratio-dependent predation: an abstraction that works. Ecology 76:995-1004.

McCarthy, M.A., L.R. Ginzburg and H.R. Akçakaya. 1995. Predator interference across trophic chains. Ecology 76:1310-1319.

LaHaye, W.S., R.J. Gutierrez and H.R. Akçakaya. 1994. Spotted owl meta-population dynamics in southern California. Journal of Animal Ecology 63:775-785.

Akçakaya, H.R. 1992. Population cycles of mammals: evidence for a ratio-dependent predation hypothesis. Ecological Monographs 62:119-142.

Ginzburg, L.R. and H.R. Akçakaya. 1992. Consequences of ratio-dependent predation for steady state properties of ecosystems. Ecology 73:1536-1543.

Akçakaya, H.R., S. Baris and R. Akçakaya. 1992. [The extinction of the Northern Bald Ibis (Geronticus eremita) population in Birecik and evaluation of conservation efforts]. Turkish Journal of Zoology 16:1-12.

Akçakaya, H.R. 1991. A method for simulating demographic stochasticity. Ecological Modelling 54:133-136.

Akçakaya, H.R. and L.R. Ginzburg. 1991. Community construction: speciation versus invasion. Trends in Ecology and Evolution 6:100-101.

Arditi, R., L.R. Ginzburg, H.R. Akçakaya. 1991. Variation in plankton densities among lakes: a case for ratio-dependent predation models. The American Naturalist 138:1287-1296.

Akçakaya, H.R. 1990. Bald Ibis Geronticus eremita population in Turkey: an evaluation of the captive breeding project for reintroduction. Biological Conservation 51:225-237.

Arditi, R. and H.R. Akçakaya. 1990. Underestimation of mutual interference of predators. Oecologia 83:358-361.

Ginzburg, L.R., S. Ferson, H.R. Akçakaya. 1990. Reconstructibility of density dependence and the conservative assessment of extinction risks. Conservation Biology 4:63-70.

Akçakaya, H.R. 1989. An overview of bird conservation in Turkey. Sandgrouse 11:52-56.

Akçakaya, H.R., L.R. Ginzburg, D. Slice and L.B. Slobodkin. 1988. The theory of population dynamics: II. Physiological delays. Bulletin of Mathematical Biology 50:503-515

Burgman, M., H.R. Akçakaya and S.S. Loew. 1988. The use of extinction models in species conservation. Biological Conservation 43:9-25.

Ginzburg, L.R., H.R. Akçakaya and J. Kim. 1988. Evolution of community structure: Competition. Journal of Theoretical Biology 133:513-523.

  Books     Peer-reviewed articles     Book chapters     Software  

Book chapters:

Stanton, J., and H.R. Akçakaya. 2013. Conservation planning to ensure viability of populations and metapopulations. Pages 271-291 in: Conservation planning: shaping the future. Edited by Lance Craighead and Charles Convis. ESRI Press.

Akçakaya, H.R. 2012. Conservation biology. Pages 145-152 in: Encyclopedia of Theoretical Ecology. A. Hastings and L. Gross (eds). University of California Press (accepted).

Akçakaya, H.R. 2011. Foreword/Önsöz. Page 1 in Red Book of Butterflies in Turkey / Türkiye'deki Kelebeklerin Kırmızı Kitabı. Nature Conservation Center, Ankara, Turkey

Fordham, D.A., H.R. Akçakaya, M. Araujo and B.W. Brook. 2012. Modelling range shifts for invasive vertebrates in response climate change. Pages 86-108 in: Conserving Wildlife Populations in a Changing Climate, edited by E. Post, D. Doak and J. Brodie. University of Chicago Press, Chicago, IL.

Convertino, M., G.A. Kiker, M.L. Chu-Agor, R. Muñoz-Carpena, C.J. Martinez, M. Aiello-Lammens, H.R. Akçakaya, R.A. Fischer and I. Linkov. 2011. Integrated modeling to mitigate climate change risk due to sea level rise: imperiled shorebirds on Florida coastal military installations. Pages 433- 464 in Climate: Global Change and Local Adaptation. Linkov, Igor; Bridges, Todd S. (Eds.). Springer, Dordrecht, The Netherlands.

Akçakaya, H.R. and B.W. Brook. 2008. Methods for determining viability of wildlife populations in large landscapes. Pages 449-471 in: Models for Planning Wildlife Conservation in Large Landscapes. J.J. Millspaugh and F.R. Thompson, III (editors). Elsevier/Academic Press, Burlington, MA.

Akçakaya, H.R. and J.D. Stark. 2008. Demographic toxicity: assessing the population-level impacts of contaminants. Pages 3-19 in: Demographic Toxicity: Methods in Ecological Risk Assessment, Akçakaya, H.R., J. D. Stark, and T. S. Bridges (editors), Oxford University Press, New York.

Bridges, T.S., H.R. Akçakaya, and B. Bunch. 2008. Leptocheirus plumulosus in the upper Chesapeake Bay: sediment toxicity effects at the metapopulation level. Pages 242-254 in: Demographic Toxicity: Methods in Ecological Risk Assessment, Akçakaya, H.R., J.D. Stark, and T.S. Bridges (editors), Oxford University Press, New York.

Tucker, W.T., J.D. Litzgus, S. Ferson, H.R. Akçakaya, M. Thompson, D. Fort, and J. Lortie. 2008. Population-level effects of PCBs on wood frogs (Rana sylvatica) breeding in vernal pools associated with the Housatonic River, Pittsfield to Lenoxdale, Massachusetts. . Pages 97-122 in: Demographic Toxicity: Methods in Ecological Risk Assessment, Akçakaya, H.R., J.D. Stark, and T.S. Bridges (editors), Oxford University Press, New York.

Akçakaya, H.R., G. Mills, and C.P. Doncaster. 2007. The role of metapopulations in conservation. Pages 64-84 in Key Topics in Conservation Biology. D.W. Macdonald and K. Service, editors. Blackwell.

Reed, J.M., H.R. Akçakaya, M. Burgman, D. Bender, S.R. Beissinger, and J.M. Scott. 2006. Critical habitat. Pages 164-177 in The Endangered Species Act at Thirty: Conserving Biodiversity in Human-dominated Landscapes (volume 2). J.M. Scott, D.D. Goble, and F.W. Davis, editors. Island Press, Washington, DC.

DeFries, R., S. Pagiola and 17 others. 2005. Analytical Approaches for Assessing Ecosystems and Human Well-Being. Pages 37-71 in Ecosystems and Human Well-Being: Current State and Trends, R. Hassan, R. Scholes, and N. Ash, editors. The Millennium Ecosystem Assessment Series. Island Press, Washington, DC.

Akçakaya, H.R. 2004. Using models for species conservation and management: an introduction. Pages 3-14 in Species Conservation and Management: Case Studies. H.R. Akçakaya, M.A. Burgman, O. Kindvall, C.C. Wood, P. Sjögren-Gulve, J.S. Hatfield, and M.A. McCarthy, editors. Oxford University Press, New York.

Sezen, Z., H.R. Akçakaya, and C.C. Bilgin. 2004. Turkish Mouflon (Ovis gmelinii anatolica) in Central Anatolia: population viability under scenarios of harvesting for trophy. Pages 459-468 in Species Conservation and Management: Case Studies H.R. Akçakaya, M.A. Burgman, O. Kindvall, C.C. Wood, P. Sjögren-Gulve, J.S. Hatfield, and M.A. McCarthy, editors. Oxford University Press, New York.

Ginzburg, L.R. and H.R. Akçakaya. 2003. Science and management investments needed to enhance the use of ecological modeling in decision-making. Pages 249-262 in Ecological Modeling for Resource Management. V. H. Dale, ed. Springer-Verlag, New York.

Breininger, D.R., M.A. Burgman, H.R. Akçakaya, M.A. O' Connell. 2002. Use of Metapopulation Models in Conservation Planning. Pages 405-427 in Applying Landscape Ecology in Biological Conservation. K. Gutzwiller, ed. Springer-Verlag, NY.

Taylor, B.L., P.R. Wade, U. Ramakrishnan, M.Gilpin and H.R. Akçakaya. 2002. Incorporating uncertainty in PVAs for the purpose of classifying species by risk. Pages 239-252 in Population Viability Analysis. S.R. Beissinger and D.R. McCullough, eds. Chicago University Press.

Pastorok, R.A., H.R. Akçakaya. 2002. Chapter 2: Methods. Pages 23-34 in Ecological Modeling in Risk Assessment: Chemical Effects on Populations, Ecosystems, and Landscapes. R.A. Pastorok, S.M. Bartell, S. Ferson, L.R. Ginzburg, eds. Lewis Publishers, Boca Raton, Florida.

Akçakaya, H.R., H.M. Regan. 2002. Population models - Metapopulations. Pages 83-95 in Ecological Modeling in Risk Assessment: Chemical Effects on Populations, Ecosystems, and Landscapes. R.A. Pastorok, S.M. Bartell, S. Ferson, L.R. Ginzburg, eds. Lewis Publishers, Boca Raton, Florida.

Pastorok, R.A., H.R. Akçakaya. 2002. Chapter 16: Summary. Pages 215-217 in Ecological Modeling in Risk Assessment: Chemical Effects on Populations, Ecosystems, and Landscapes. R.A. Pastorok, S.M. Bartell, S. Ferson, L.R. Ginzburg, eds. Lewis Publishers, Boca Raton, Florida.

Akçakaya, H.R. 1996. Linking Metapopulation Models with GIS for Population Viability Analysis. Pages 45-54 in Using Population Viability Analysis in Ecosystem Management at Fundy National Park, S.Flemming, ed. Parks Canada - Ecosystem Science Review Report No.1. Halifax, N.S.

Akçakaya, H.R. 1992. Population viability analysis and risk assessment. Pages 148-157 in: Wildlife 2001: Populations. D. R. McCullough and R. H. Barrett, eds. Elsevier Publishers, London.

Akçakaya, H.R. and L.R. Ginzburg. 1991. Ecological risk analysis for single and multiple populations. Pages 73-87 in: Species Conservation: A Population-Biological Approach. A. Seitz and V. Loeschcke, eds. Birkhauser Verlag, Basel.

Akçakaya, H.R. and L.R. Ginzburg. 1991. Ecological considerations in EPA's review for field tests of genetically engineered organisms. Pages 267-287 in: Assessing Ecological Risks of Biotechnology. L.R. Ginzburg, ed. Butterworth-Heinemann, Massachusets.

Akçakaya, H.R. and L.R. Ginzburg. 1989. Niche overlaps and the evolution of competitive interactions. Pages 32-42 in: Evolutionary Biology of Transient Unstable Populations. A. Fontdevila, ed. Springer-Verlag, Berlin.

Ginzburg, L.R., H.R. Akçakaya, D. Slice and L. B. Slobodkin. 1988. Balanced growth rates vs. balanced accelerations as causes of ecological equilibria. Pages 165-175 in: Biomathematics and Related Computational Problems. R. M. Ricciardi, ed. Kluwer Academic Publishers.

Akçakaya, H.R. and C. C. Bilgin. 1988. Evaluation of efforts to save the Bald Ibis population in Birecik. In: Proceedings of the 4th Environmental Science and Technology Conference. O. Uslu, M.M. Evirgen and A. Müezzinoglu, eds. Dokuz Eylül University, Izmir, Turkey.

  Books     Peer-reviewed articles     Book chapters     Software  


Akçakaya, H.R. and W.T. Root. 2007. RAMAS Red List Professional: Spatial and Temporal Data Analysis for Threatened Species Classifications Under Uncertainty. Applied Biomathematics, Setauket, New York.

Akçakaya, H.R. 2005. RAMAS GIS: Linking Spatial Data with Population Viability Analysis. Version 5.0. Applied Biomathematics, Setauket, New York.

Akçakaya, H.R., W.T. Root. 2003. RAMAS Landscape: Integrating Metapopulation Viability with LANDIS Forest Dynamics Model (version 1.0). Applied Biomathematics, Setauket, New York.

Akçakaya, H.R., W.T. Root and S. Ferson. 2001. RAMAS Red List: Threatened species classifications under uncertainty. Applied Biomathematics, Setauket, New York.

Akçakaya, H.R. 1994. RAMAS Metapop: Viability Analysis for Stage-structured Metapopulations. Version 1.0. Applied Biomathematics, Setauket, New York.

Akçakaya, H.R. and S. Ferson. 1990. RAMAS/space: Spatially Structured Population Models for Conservation Biology. Applied Biomathematics, Setauket, New York.

Ferson, S. and H.R. Akçakaya. 1990. RAMAS/age: Modeling Fluctuations in Age-structured Populations. Applied Biomathematics, Setauket, New York.