Download Biological Oceanography : An Introduction by Carol M. Lalli PDF

By Carol M. Lalli

This well known undergraduate textbook deals scholars a company grounding within the basics of organic oceanography. in addition to a transparent and available textual content, studying is stronger with various illustrations together with a color part, thorough bankruptcy summaries, and questions with solutions and reviews behind the ebook. the great insurance of this ebook encompasses the houses of seawater which impact lifestyles within the ocean, class of marine environments and organisms, phytoplankton and zooplankton, marine nutrients webs, higher marine animals (marine mammals, seabirds and fish), lifestyles at the seafloor, and how during which people have an effect on marine ecosystems.The moment version has been completely up to date, together with a lot facts on hand for the 1st time in a ebook at this point. there's additionally a brand new bankruptcy on human affects - from harvesting substantial quantities of fish, pollutants, and intentionally or unintentionally moving marine organisms to new environments.This ebook enhances the Open collage Oceanography sequence, additionally released via Butterworth-Heinemann, and is a suite textual content for the Open college 3rd point path, S330. a number one undergraduate textNew bankruptcy on human affects - a hugely topical subjectExpanded color plate part

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Extra resources for Biological Oceanography : An Introduction

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11 The distribution of average surface salinity (S, black line) plotted against the difference between average annual evaporation and precipitation (E - P, blueline) at different latitudes. 2 BIOLOGICAL IMPORTANCE OF SALINITY In most marine invertebrates and primitive fish (sharks, rays), the salt content of the blood and body fluids is about the same as in seawater of average salinity. In bony fish (teleosts), the salt concentration of the blood is only about 30-50% of the ambient salinity. This has several physiological consequences.

10 The majority of marine animals (both pelagic and benthic) are poikilothermic, whereas many land animals (birds, mammals) are homoiothermic species. Can you think of a reason to explain this difference? 11. 5) at the Equator, (b) Why is salinity higher in surface waters of the Antarctic (ca. 57° S latitude) compared to the Arctic (57° N)? 14. Which combination of high or low temperature and high or low salinity would produce water of greatest density? 13 Review what you have learned about abiotic environmental factors in this Chapter and describe the deep-sea environment below 2000 m in terms of light, salinity, temperature, pressure, and relative density.

For example, heavily shaded phytoplankton can adapt to lower compensation light intensities. e. loss of plant material through respiration exceeds plant production by photosynthesis over 24 hours). However, living phytoplankton which have sunk from the euphotic zone may be present here. The deepest and largest region in the open ocean is the dark aphotic zone; this extends from below the disphotic zone to the seafloor. Here, sunlight cannot be detected by any biological system. This vast region does not support plant life, and is spatially removed from the initial link in the marine food chain.

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