By R. S. K. Barnes
This validated textbook maintains to supply a accomplished and stimulating creation to marine ecological ideas and strategies. in line with a wealth of overseas educating services, An creation to Marine Ecology is written to be the root for a whole undergraduate direction in marine biology or ecology. It covers the trophic, environmental and aggressive interactions of marine organisms, and the consequences of those at the productiveness, dynamics and constitution of marine structures. The energy of the ebook lies in its dialogue of middle themes which continues to be on the center of the vast majority of classes within the topic, regardless of an expanding emphasis on extra utilized features.
The authors retain the culture of readability and conciseness set via earlier versions, and the textual content is widely illustrated with color plates, images and diagrams. Examples are drawn from world wide. during this variation, the medical content material of the textual content has been absolutely revised and up to date. An emphasis has been put on human affects, and entirely new chapters were extra on fisheries, marine ecosystems, and human interference and conservation.
- Completely revised and up-to-date with a twofold bring up within the variety of illustrations.
- Adopts a extra utilized procedure in accordance with present educating.
- New chapters on fisheries, the marine environment, conservation and toxins.
- Based on a confirmed and winning direction structure.
Chapter 1 the character and worldwide Distribution of Marine Organisms, Habitats and productiveness (pages 1–29):
Chapter 2 The Planktonic procedure of floor Waters (pages 30–53):
Chapter three The Benthos of Continental Shelf and Littoral Sediments (pages 54–76):
Chapter four Salt?Marshes, Mangrove?Swamps and Sea?Grass Meadows (pages 77–84):
Chapter five Rocky beaches and Kelp Forests (pages 85–116):
Chapter 6 Coral Reefs (pages 117–141):
Chapter 7 Pelagic and Benthic structures of the Deep Sea (pages 142–149):
Chapter eight Fish and different Nekton (pages 150–179):
Chapter nine Ecology of lifestyles Histories (pages 180–206):
Chapter 10 Speciation and Biogeography (pages 207–221):
Chapter eleven The Marine surroundings as a practical complete (pages 222–237):
Chapter 12 Human Interference and Conservation (pages 238–255):
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Additional info for An Introduction to Marine Ecology, Third Edition
22). A map of the world is on too small a scale to show the influence of the littoral zone on global productivity, but for the purposes of comparison with the figures given above, the productivity of benthic algae and plants lies in the range 500-25 000 mg C m-1 daily (more usually within 2500-5500 rng C m- l daily): benthic producrion per unit surface area exceeds pelagic production by a factOr of ten. 5% of the surface area of the oceans, by virtue of their large size, coastal macrophytes also account for two-thirds of the total biomass of marine phorosynthetic organisms.
3 Distribution of phytoplankton in space and time Global maps such as that of Fig. 23 are useful in summarizing broad latitudinal and regional trends, but they may give a most inaccurate impression of uniformity over large areas. The distribution of phytoplankton species and productivity on a small scale is, in fact, very patchy in bOlh the temporal and spatial planes. Mention of seasonal changes in phytoplankton has already been made and we can start by amplifying these panerns. The general form of seasonal SIlCcessions of the dominant larger species is shown in Fig.
The nekton (Fig. 15) are differentiated from the plankton only on the basis of swimming ability (Plate 2, facing p. 64). g. ) making up this category of pelagic organisms are the terminal consumers of the sea, mostly being carnivorous although a few are herbivores and even fewer take detritus. Like most top predators, they need to range widely in search of food concenrcationsand hence the swimming ability which characterizes them. Swimming is not only of use in moving relative to the Earth's surface; as anyone who has watched fish in a river will know, a fish also needs to swim against a current to sray in the same place.
An Introduction to Marine Ecology, Third Edition by R. S. K. Barnes