A Brief History of Modelling Marine Ecology in the Upper Ocean

2021 ◽  
Author(s):  
Girija Jayaraman
Keyword(s):  
Marine Ecology ◽  
Upper Ocean ◽  
History Of

Sea Ice, Seals, and Settlement

2019 ◽  
pp. 16-43
Author(s):  
Christopher B. Wolff ◽  
Donald H. Holly ◽  
Victor D. Thompson
Keyword(s):  
Sea Ice ◽  
Cultural History ◽  
Newfoundland And Labrador ◽  
Atlantic Cod ◽  
Social Conditions ◽  
Marine Ecology ◽  
Subarctic Region ◽  
Hunter Gatherers ◽  
Subsistence Economies ◽  
History Of

The cultural history of Newfoundland and Labrador is linked with the sea. The European occupation of this subarctic region was dependent on the abundance of Atlantic cod and other marine resources, such as seals, walrus, and whales. Precontact indigenous hunter gatherers of the region also relied heavily on marine ecology for their livelihood; yet, at various times in the region’s significant history, dynamic environmental and social conditions acted to change subsistence economies, cultures, and the course of its occupation. In this chapter, we examine archaeological, historical, and paleoecological evidence to assess the relative roles that environmental and social processes played in these critical transformations.

Examining Cetacean Ecology Using Historical Fishery Data

2001 ◽  
pp. 207-214 ◽  
Author(s):  
Tim D. Smith
Keyword(s):  
Carrying Capacity ◽  
Breeding Success ◽  
Previous Analysis ◽  
Marine Ecology ◽  
Breeding Habitat ◽  
Cetacean Species ◽  
History Of ◽  
Whaling Industry ◽  
Fishery Data

Tim D. Smith seeks to examine the ecology of cetacean species, by bringing together data from whaling logbooks, governmental records, the examination of historical environmental sources, and evidence from archaeological investigations, with the aim of creating a thorough and accurate history of the whaling industry and marine ecology. This final chapter raises the questions of changes in carrying capacity, breeding habitat, and breeding success of cetacean specifes, and concludes by finding gaps in records and previous analysis that the collaboration of whale biologists, ecolologists, climatologists and historians must seek to heal.

A largely invariant marine dissolved organic carbon reservoir across Earth's history

2021 ◽  
Vol 118 (40) ◽  
pp. e2103511118
Author(s):  
Mojtaba Fakhraee ◽  
Lidya G. Tarhan ◽  
Noah J. Planavsky ◽  
Christopher T. Reinhard
Keyword(s):  
Organic Carbon ◽  
Carbon Cycle ◽  
Dissolved Organic Carbon ◽  
Atmospheric Oxygen ◽  
Marine Ecology ◽  
Carbon Cycle Model ◽  
Carbon Pump ◽  
History Of ◽  
Carbon Reservoir ◽  
Global Biogeochemical Cycles

Marine dissolved organic carbon (DOC), the largest pool of reduced carbon in the oceans, plays an important role in the global carbon cycle and contributes to the regulation of atmospheric oxygen and carbon dioxide abundances. Despite its importance in global biogeochemical cycles, the long-term history of the marine DOC reservoir is poorly constrained. Nonetheless, significant changes to the size of the oceanic DOC reservoir through Earth’s history have been commonly invoked to explain changes to ocean chemistry, carbon cycling, and marine ecology. Here, we present a revised view of the evolution of marine DOC concentrations using a mechanistic carbon cycle model that can reproduce DOC concentrations in both oxic and anoxic modern environments. We use this model to demonstrate that the overall size of the marine DOC reservoir has likely undergone very little variation through Earth’s history, despite major changes in the redox state of the ocean–atmosphere system and the nature and efficiency of the biological carbon pump. A relatively static marine DOC reservoir across Earth’s history renders it unlikely that major changes in marine DOC concentrations have been responsible for driving massive repartitioning of surface carbon or the large carbon isotope excursions observed in Earth’s stratigraphic record and casts doubt on previously hypothesized links between marine DOC levels and the emergence and radiation of early animals.

Ionizing radiation in the hydrosphere. Introduction to radiobiology and radioecology of hydrobionts

2021 ◽  
Author(s):  
Vladimir Kulepanov
Keyword(s):  
Higher Education ◽  
Ionizing Radiation ◽  
Marine Ecology ◽  
Federal State ◽  
Educational Standards ◽  
Additional Material ◽  
History Of ◽  
State Educational ◽  
Independent Work ◽  
Current Curriculum

The textbook contains information about the history of the discovery and study of ionizing radiation, about the development and formation of radiobiology and radioecology. The characteristics of ionizing radiation, radiation dose units and activity are given. The effect of ionizing radiation on biological systems is described. Modern problems of radioecology are considered. Compiled taking into account the current curriculum for the specialty "Life safety in the technosphere", it includes the main provisions of radiobiology and radioecology. Meets the requirements of the federal state educational standards of higher education of the latest generation. It is intended for independent work of students, bachelors and postgraduates, it can also be used as additional material at lectures and methodological material at seminars on the courses "Ecology "and"Marine Ecology".

Early Marine Ecology. History of Ecology.

1979 ◽  
Vol 54 (4) ◽  
pp. 472-472
Author(s):  
Joel W. Hedgpeth
Keyword(s):  
Marine Ecology ◽  
History Of Ecology ◽  
History Of
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