Inter-Research > MEPS > v418 > p147-150  
Marine Ecology Progress Series

via Mailchimp

MEPS 418:147-150 (2010)  -  DOI:

Re-analysis of a salp population time-series

Kelly R. Sutherland1,2,*, Andrew R. Beet1, Andrew R. Solow1

1Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
2Present address: California Institute of Technology, Pasadena, California 91125, USA

ABSTRACT: Weekly abundances of 2 salp populations (Salpa fusiformis and Thalia democratica) were determined for the period from 1967 to 1990 at a coastal station in the Western Mediterranean using a discrete abundance scale. A previous analysis modeled these data as a Markov chain with ordered states and found a significant effect of stratification on the Markov transition probabilities. An alternative analysis combining an underlying population model and a model of the observation process found qualitatively similar results, with population growth rate significantly related to stratification. However, by explicitly separating the population model from the observation model, the alternative approach has advantages including a closer connection to the underlying biology and the capability to predict salp abundance. 

KEY WORDS: Salp · Population dynamics · Stratification · Negative binomial distribution

Full text in pdf format
Cite this article as: Sutherland KR, Beet AR, Solow AR (2010) Re-analysis of a salp population time-series. Mar Ecol Prog Ser 418:147-150.

Export citation
Share:    Facebook - - linkedIn

 Previous article Next article