Monitoring marine populations and communities: methods dealing with imperfect detectability. Katsanevakis, S., Weber, A., Pipitone, C., Leopold, M., Cronin, M., Scheidat, M., Doyle, T. K., Buhl-Mortensen, L., Buhl-Mortensen, P., D'Anna, G., de Boois, I., Dalpadado, P., Damalas, D., Fiorentino, F., Garofalo, G., Giacalone, V. M., Hawley, K. L., Issaris, Y., Jansen, J., Knight, C. M., Knittweis, L., Kroencke, I., Mirto, S., Muxika, I., Reiss, H., Skjoldal, H. R., & Voege, S. AQUATIC BIOLOGY, 16(1):31-52, INTER-RESEARCH, NORDBUNTE 23, D-21385 OLDENDORF LUHE, GERMANY, 2012.
doi  abstract   bibtex   
Effective monitoring of populations and communities is a prerequisite for ecosystem-based management of marine areas. However, monitoring programs often neglect important sources of error and thus can lead to biased estimates, spurious conclusions and false management actions. One such source of error is `imperfect detectability', i.e. the inability of investigators to detect all individuals or all species in a surveyed area. Although there has been great effort to develop monitoring methods that account for imperfect detectability, the application of such methods in the marine environment is not as apparent as in other systems. Plot sampling is by far the most commonly applied method for biological monitoring in the marine environment, yet it largely ignores detectability issues. However, distance sampling, mark-recapture methods, repeated presence-absence surveys for occupancy estimation, and removal methods do estimate detection probabilities and provide unbiased estimates of state variables. We review these methods and the relevant tools for their application in studies on marine populations and communities, with the aim of assisting marine biologists and managers to understand the limitations and pitfalls associated with some approaches and to select the best available methods for their monitoring needs.
@article{ ISI:000305698600003,
Author = {Katsanevakis, S. and Weber, A. and Pipitone, C. and Leopold, M. and
   Cronin, M. and Scheidat, M. and Doyle, T. K. and Buhl-Mortensen, L. and
   Buhl-Mortensen, P. and D'Anna, G. and de Boois, I. and Dalpadado, P. and
   Damalas, D. and Fiorentino, F. and Garofalo, G. and Giacalone, V. M. and
   Hawley, K. L. and Issaris, Y. and Jansen, J. and Knight, C. M. and
   Knittweis, L. and Kroencke, I. and Mirto, S. and Muxika, I. and Reiss,
   H. and Skjoldal, H. R. and Voege, S.},
Title = {{Monitoring marine populations and communities: methods dealing with
   imperfect detectability}},
Journal = {{AQUATIC BIOLOGY}},
Year = {{2012}},
Volume = {{16}},
Number = {{1}},
Pages = {{31-52}},
Abstract = {{Effective monitoring of populations and communities is a prerequisite
   for ecosystem-based management of marine areas. However, monitoring
   programs often neglect important sources of error and thus can lead to
   biased estimates, spurious conclusions and false management actions. One
   such source of error is `imperfect detectability', i.e. the inability of
   investigators to detect all individuals or all species in a surveyed
   area. Although there has been great effort to develop monitoring methods
   that account for imperfect detectability, the application of such
   methods in the marine environment is not as apparent as in other
   systems. Plot sampling is by far the most commonly applied method for
   biological monitoring in the marine environment, yet it largely ignores
   detectability issues. However, distance sampling, mark-recapture
   methods, repeated presence-absence surveys for occupancy estimation, and
   removal methods do estimate detection probabilities and provide unbiased
   estimates of state variables. We review these methods and the relevant
   tools for their application in studies on marine populations and
   communities, with the aim of assisting marine biologists and managers to
   understand the limitations and pitfalls associated with some approaches
   and to select the best available methods for their monitoring needs.}},
Publisher = {{INTER-RESEARCH}},
Address = {{NORDBUNTE 23, D-21385 OLDENDORF LUHE, GERMANY}},
Type = {{Review}},
Language = {{English}},
Affiliation = {{Katsanevakis, S (Reprint Author), HCMR, 46-7 Km Athens Sounio, Anavyssos 19013, Greece.
   Katsanevakis, S.; Damalas, D.; Issaris, Y., HCMR, Anavyssos 19013, Greece.
   Katsanevakis, S., Commiss European Communities, Joint Res Ctr, IES, Water Resources Unit, I-21020 Ispra, VA, Italy.
   Weber, A.; Hawley, K. L.; Knight, C. M., Norwegian Inst Water Res, Trondheim, Norway.
   Pipitone, C.; D'Anna, G.; Giacalone, V. M., CNR IAMC, Castellammare Del Golfo, TP, Italy.
   Leopold, M.; Scheidat, M.; de Boois, I.; Jansen, J., Inst Marine Resources \& Ecosyst Studies, Ijmuiden, Netherlands.
   Cronin, M.; Doyle, T. K., Univ Coll Cork, Coastal \& Marine Res Ctr, Cork, Ireland.
   Buhl-Mortensen, L.; Buhl-Mortensen, P.; Dalpadado, P.; Skjoldal, H. R., Inst Marine Res, N-5024 Bergen, Norway.
   Damalas, D., Commiss European Communities, Joint Res Ctr, IPSC, Maritime Affairs Unit, I-21020 Ispra, VA, Italy.
   Fiorentino, F.; Garofalo, G., UOS Mazara del Vallo, CNR IAMC, Mazara Del Vallo, TP, Italy.
   Knittweis, L., Minist Resources \& Rural Affairs, Capture Fisheries Sect, Marsaxlokk, Malta.
   Kroencke, I.; Reiss, H.; Voege, S., Marine Res Dept, Wilhelmshaven, Germany.
   Mirto, S., UOS Messina, CNR IAMC, Messina, Italy.
   Muxika, I., AZTI Tecnalia Marine Res Div, Pasaia, Spain.
   Reiss, H., Univ Nordland, Fac Biosci \& Aquaculture, Bodo, Norway.}},
DOI = {{10.3354/ab00426}},
ISSN = {{1864-7790}},
EISSN = {{1864-7782}},
Keywords = {{Biological monitoring; Detectability; Distance sampling; Mark-recapture;
   Occupancy; Plot sampling; Removal methods; Review}},
Keywords-Plus = {{ESTIMATING ANIMAL ABUNDANCE; VISUAL CENSUS TECHNIQUES; CAPTURE-RECAPTURE
   DATA; LINE-TRANSECT SURVEYS; CHANGE-IN-RATIO; REEF FISH; AERIAL SURVEYS;
   HARBOR PORPOISE; PHOCA-VITULINA; PARAMETER-ESTIMATION}},
Research-Areas = {{Marine \& Freshwater Biology}},
Web-of-Science-Categories  = {{Marine \& Freshwater Biology}},
Author-Email = {{stelios@katsanevakis.com}},
ResearcherID-Numbers = {{D'Anna, Giovanni/B-7995-2015
   GIACALONE, VINCENZOMAXIMILIANO/N-8590-2015
   Pipitone, Carlo/B-7562-2015
   Mirto, Simone/B-7474-2016
   Issaris, Yiannis/N-2402-2016
   }},
ORCID-Numbers = {{D'Anna, Giovanni/0000-0002-8644-8222
   GIACALONE, VINCENZOMAXIMILIANO/0000-0002-4316-1723
   Pipitone, Carlo/0000-0002-7632-1228
   Mirto, Simone/0000-0003-4707-7307
   Katsanevakis, Stelios/0000-0002-5137-7540
   Buhl-Mortensen, Lene/0000-0003-0530-7119}},
Funding-Acknowledgement = {{EU FP7 program `Monitoring and Evaluation of Spatially Managed Areas'
   (MESMA) {[}226661]}},
Funding-Text = {{This work is part of the on-going research within the EU FP7 program
   `Monitoring and Evaluation of Spatially Managed Areas' (MESMA; grant
   no.: 226661; www.mesma.org). G. Sutton (Coastal and Marine Research
   Centre, UCC) provided useful comments on the manuscript. We thank 4
   anonymous reviewers for their valuable comments.}},
Number-of-Cited-References = {{178}},
Times-Cited = {{19}},
Usage-Count-Last-180-days = {{5}},
Usage-Count-Since-2013 = {{71}},
Journal-ISO = {{Aquat. Biol.}},
Doc-Delivery-Number = {{964MD}},
Unique-ID = {{ISI:000305698600003}},
OA = {{No}},
DA = {{2017-08-17}},
}

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