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Fish Phenology (1979)

Miller, P.J.. (Ed.): Fish Phenology - anabolic adaptiveness in teleosts, Academic Press, 1979
(Symp. of the Zool. Soc. of London No. 44)

 

Inhalt:

 

Contributors (v)
Organizer and Chairmen of Sessions (vi)
Acknowledgements (vii)
 

A Concept of Fish Phenology (1-28)

Synopsis
References
 

Energetics of Freshwater Teleosts (29-62)

Synopsis
Introduction
 
The components of the energy budget

Daily energy intake
Energy losses in the waste products
Energy required for metabolism
Total change in the energy content of a fish

Growth models

Acknowledgement
References
 

Principles of Growth in Fishes (63-88)

Synopsis
Introduction

The metabolic growth model

The food budget
The dependence of growth upon body size
The inftuence of temperature
The inftuence of oxygen

A formulation in mathematical terms

Food consumption and assimilation
Metabolie losses
Growth
Growth modified by spawning
Oxygen consumption
Estimates of fasting catabolism
Parameter estimates for brown trout
Some computed growth curves

References
 

Endocrine Aspects of Metabolie Coordination in Teleosts (89-104)

Synopsis
Introduction

Hormonal influences on body growth

Metabolie responses to individual hormones

Synergistic hormonal effects on lipid stores

References
 

Environmental Timing and the Control of Reproduction in Teleost Fish (105-132)

Synopsis
Introduction

The reproductive cycle

Intragonadal processes
Extragonadal processes
Periodicity
Assessment

Environmental timing

Transducers

Conclusions
References
 

Energy Costs of Egg Production and Environmental Determinants of Fecundity in Teleost Fishes (133-160)

Synopsis
Introduction

Definition of fecundity

Constraints on fecundity

Size
Age
Egg size

Variation in fecundity

Inter-individual variation
Inter-year variation
Geographical variation

Reproductive cycles

Energy cost of egg production

Energy content of eggs
Energetic of ovarian development and egg production
Other indices of cost of egg production

Environmental determinants of fecundity

Introduction
Food
Temperature
Light
Other determinants of fecundity

Feeding and reproductive cycles

Conclusions
Acknowledgements
References
 

Demographic Aspects of Fish Fecundity (161-178)

Synopsis
Introduction

Reproductive strategies

Options
Semelparity versus iteroparity
Trade-off between reproductive effort and longevity
Trade-off between egg number and egg size

Life-history tactics

lnter-specific variation
Intra-specific variation

Discussion
Acknowledgements
References
 

Senescence in Fishes (179-206)

Synopsis
Introduction

Evidence for aging in fish

Anatomical changes with age

The gonads
The endocrine glands
Other organs

Reproduction and mortality

Gonadosomatic changes with age
Fecundity and age
Reproductive costs in older fish
Reproductive modifications in older fish

Concluding remarks
Acknowledgements
References
 

Genetics of Growth and Reproduction in Teleosts (207-218)

Synopsis
lntroduction
Genetics of growth rate

Genetics of sex and reproduction

Sex determination
Reproduction

Reproduction and growth

Conclusion
References
 

Ecological Aspects of Seasonality in Fishes of Tropical Waters (219-242)

Synopsis
Introduction

Responses to seasonality in various fish communities

Riverine communities
Lacustrine communities
Man-made Iake communities
Marine shelf communities
Marine reef communities

Discussion

The adaptive value of extended spawning seasons
The "seasonality spectrum" and attributes of seasonal and aseasonal fish communities
Implications of seasonality

Acknowledgements
References
 

The Phenology of Annual Killifishes (243-262)

Synopsis
lntroduction

Ecotype

Reproduction

Developmental modifications
Sexual maturity
Spawning pattern
Reproductive effort
Behaviour

Lifespan

Mortality
Senescence

Growth
 
Pattern
Experimental studies

Conclusion
References
 

Adaptiveness and lmplications of Small Size in Teleosts (263-306)

Synopsis
lntroduction

Adaptiveness of small size

Feeding efficiency
Phylogeny
Ecology

Ecotopes for small fish

Nektonic
Epibenthic
Cryptobenthic

Problems of small size

Predation
Protection

Fitness and small size

Mortality patterns
Maturation patterns

Reproductive mechanisms

Fecundity enhancement
Offspring size
Internal fertilization
Viviparity

Conclusion
Acknowledgements
References 
 
 
The Theory of Life-History Evolution and its Application to Atlantic Salmon (307-326)

Synopsis
Introduction

The theory

Preliminaries
Sensitivity analysis
Cost benefit analysis

Application to salmon

Other potential applications of life-history theory to salmon phenology

Differences in age of first return between males and females
Life in the river
"Big bang" reproduction versus iteroparity

Relevance of the present treatment to the theory of r- versus K- selection

Acknowledgements
References
 

Life-style and Phenology in Deep-sea Anacanthine Teleosts (327-360)

Synopsis
Introduction

Age and growth

Age
Growth in length
Growth of body parts (excluding gonads)
Length/weight relationship
Condition factor

Reproduction

Mate location and spawning behaviour
Distribution by depth and sex
Egg size and fecundity
Spawning periodicity
Egg and larval distribution
Discussion

Food and feeding

Discussion

Acknowledgements
References
 

Fish Stocks: Their Life-history Characteristics and Response to Exploitation (361-382)

Synopsis
Introduction

Population growth

Recruitment
A generalized stock and recruitment relationship
Population growth rates

Production/biomass ratios, stock size and the effect of exploitation

Life-history and other ecological factors influencing global distribution of potential fish-production

Acknowledgements
References
 

Physiological and Ecological Factors in the Development of Fish Culture (383-416)

Synopsis
Introduction

Food and feeding

Diet composition
Improved exploitation and supplementation of natural food sources
Feeding regimes

Hormones and other chemical agents

Growth enhancement
Control of reproduction
Suppression of gonad development
Growth inhibition

Physico-chemical environment

Oxygen
Salinity

Conclusions
References

Author Index (417)
Subject Index (433)
Systematic Index (443)
 


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