By Poul Holm, David J. Starkey, Michaela Barnard
?[A] interesting quantity, which establishes marine environmental historical past as an immense new self-discipline for teachers in addition to an exhilarating approach to deliver heritage and the wildlife alive for the public.? ANDREW A. ROSENBERG, college of latest HAMPSHIRE ?The HMAP venture is to be congratulated in this booklet, which offers bright, evidence-based reconstructions of old fisheries and the prolific ecosystems within which they have been embedded.? TONY J. PITCHER, college OF BRITISH COLUMBIA ?The ingenuity and scholarship of the authors let us see ... how human societies have trusted and inspired marine dwelling assets from periwinkles to whales.? MIKE SINCLAIR, BEDFORD INSTITUTE OF OCEANOGRAPHY ?This publication exalts the strangely fruitful marriage of historians and marine scientists - a union that has confirmed to be some of the most fascinating advancements in ocean examine in contemporary years.? KATHERINE RICHARDSON, college OF COPENHAGEN for hundreds of years the seas looked as if it would provide unlimited offers of foodstuff and different assets, their waters a cornucopia by no means to be exhausted. in additional contemporary occasions, episodes akin to the extraordinary exploitation and next cave in of cod populations of the Grand Banks off Newfoundland have highlighted the fallaciousness of this view. but all too usually the teachings from our ancient interactions with marine animals are little recognized, not to mention realized. in response to examine for the background of Marine Animal Populations venture, Oceans previous examines the complicated courting our forebears had with the ocean and the animals that inhabit it. It offers 11 stories starting from fisheries and invasive species to offshore know-how and the learn of marine environmental background, bringing jointly the views of historians and marine scientists to augment knowing of ocean administration of the previous, current and destiny. In doing so, it additionally highlights the effect that alterations in marine ecosystems have upon the politics, welfare and tradition of human societies.
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Extra info for Oceans Past: Management Insights from the History of Marine Animal Populations (Earthscan Research Editions)
Ecological evidence If Littorina littorea was native to North America, why did it suddenly expand southwards in the mid 19th century and not many years before? This is a puzzling question for those advocating a native North American origin for the snail (Reid, 1996). Clarke and Erskine (1961) suggested that unfavourable currents may have prevented L. littorea from dispersing from the Northumberland Strait to the coast of Nova Scotia and that it only spread southwards when commercial shipping became more prevalent.
IM directly estimates the divergence time (t = t/µ, where t = total years of divergence time, t = the time parameter determined from the sequence data, and µ = the gene substitution rate; Hey and Nielsen, 2004) from the sequence data and therefore does not require the assumption for equal Ne between the two populations. Using IM, Chapman et al (in press) found that divergence estimates were much lower than those derived by Wares et al (2002) from divergence estimates using MDIV (the MDIV estimates were as much as 24 times greater than the IM estimates), probably due to inappropriate assumptions in the MDIV analysis.
Grahame, B. Griffen, A. Houghton, R. Houghton, T. Huspeni, M. Janamma, K. Jensen, K. Johannesson, L. Johnson, A. Kintner, T. Kocher, M. Krakau, J. Lee, M. Lesser, T. Maguire, J. Meyer, L. Page, J. Phelan, R. Poulsen, R. Ramsay, A. Rosenberg, D. Starkey, C. Suckling, V. Taibe, S. Teck, F. Viard, J. Wares, S. Williams and D. Zdankoweicz for ﬁeld and/or laboratory assistance, insights, advice and/or manuscript comments. Support provided by NSF (OCE-0503932), NH Sea Grant, USDA Hatch, and the UNH Vice President for Research Discretionary Fund to J.