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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences > Vertebrates > Amphibians
Amphibian Conservation is the fourth in the series of Synopses of
Conservation Evidence, linked to the online resource
www.ConservationEvidence.com. This synopsis is part of the
Conservation Evidence project and provides a useful resource for
conservationists. It forms part of a series designed to promote a
more evidence-based approach to biodiversity conservation. Others
in the series include bee, bird, farmland and bat conservation and
many others are in preparation. Approximately 32% of the 7,164+
amphibian species are currently threatened with extinction and at
least 43% of species are declining. Despite this, until recently
amphibians and their conservation had received little attention.
Although work is now being carried out to conserve many species,
often it is not adequately documented. This book brings together
and summarises the available scientific evidence and experience
relevant to the practical conservation of amphibians. The authors
consulted an international group of amphibian experts and
conservationists to produce a thorough summary of what is known, or
not known, about the effectiveness of amphibian conservation
actions across the world. "The book is packed with literature
summaries and citations; a veritable information goldmine for
graduate students and researchers. It also admirably provides
decision makers with a well-researched resource of proven
interventions that can be employed to stem/reverse the decline of
amphibian populations." -John G Palis, Bulletin of the Chicago
Herpetological Society
Amphibian Conservation is the fourth in the series of Synopses of
Conservation Evidence, linked to the online resource
www.ConservationEvidence.com. This synopsis is part of the
Conservation Evidence project and provides a useful resource for
conservationists. It forms part of a series designed to promote a
more evidence-based approach to biodiversity conservation. Others
in the series include bee, bird, farmland and bat conservation and
many others are in preparation. Approximately 32% of the 7,164+
amphibian species are currently threatened with extinction and at
least 43% of species are declining. Despite this, until recently
amphibians and their conservation had received little attention.
Although work is now being carried out to conserve many species,
often it is not adequately documented. This book brings together
and summarises the available scientific evidence and experience
relevant to the practical conservation of amphibians. The authors
consulted an international group of amphibian experts and
conservationists to produce a thorough summary of what is known, or
not known, about the effectiveness of amphibian conservation
actions across the world. "The book is packed with literature
summaries and citations; a veritable information goldmine for
graduate students and researchers. It also admirably provides
decision makers with a well-researched resource of proven
interventions that can be employed to stem/reverse the decline of
amphibian populations." -John G Palis, Bulletin of the Chicago
Herpetological Society
Amphibian species around the world are unusually vulnerable to a
variety of threats, by no means all of which are properly
understood. Volume 11 in this major series will be published in
parts devoted to the causes of amphibian decline and to
conservation measures in regions of the world; this Part 3 is
concerned with Western Europe (Britain, Ireland, The Netherlands,
Belgium, France, Spain and Portugal). Experts from each country
contribute a chapter describing the ecological background and the
conservation status of affected species, with an emphasis on native
species. As well as infectious diseases and parasites (also covered
in a general chapter), threats take the form of introduced and
invasive species, pollution, destruction and alteration of habitat,
and climate change. These are discussed as they affect each
species. All these countries have monitoring schemes and
conservation programmes, whose origins and activities are
described. Recommendations for action are also made. Edited by
leading scholars in the field, Volume 11, when complete, will
therefore provide a definitive survey of the amphibian predicament
and a stimulus to further research with the objective of arresting
the global decline of an entire class of animal.
This dictionary lists the English, German, French and Italian names
of amphibians occurring in Europe, North America, Canada, Central
and Southern Africa, Australia and New Zealand, the Indian
Subcontinent, South East Asia, Virgin Islands and Puerto Rico and
the islands of the West Indies. It lists 5,367 scientific names of
orders, families, genera, species and subspecies. The relevant
order and family are shown for each term. The taxonomy is that used
by the different authors of the sources.
"Evidence bases for conservation are becoming increasingly
important to convince landowners and politicians of the need to
take action in defence of species and habitats all around the
world. A valuable feature of this book is its emphasis on
collecting and analysing such essential information." Trevor
Beebee, Phyllomedusa Amphibians are among the most globally
endangered groups of vertebrates with more than one-third of
species being assessed as declining or threatened. Often, amphibian
declines can be attributed to a suite of interacting factors, many
of which are human in origin, but further information is needed to
elaborate the key causes and to discover ways of reversing
declines. Robust surveys provide vital ecological and biological
data on amphibian populations, and underpin the decisions made to
protect species and reverse their declines. Ongoing monitoring
informs land managers and decision makers about whether they are
taking the right action. This book is designed to help you carry
out amphibian surveying and monitoring so that the results of your
surveys can be used effectively. Part 1 introduces amphibians:
order Anura (frogs and toads); Caudata (newts and salamanders); and
order Gymnophonia (caecilians). Part 2 is essential reading before
you start surveying. It introduces the different types of survey
and monitoring programmes and discusses survey aims and resources.
It contains chapters on collecting and handling survey data; survey
permissions and licencing; health and safety, and biosecurity; and
handling amphibians. Part 3 discusses everything you need to know
during your survey, and provides a detailed look at amphibian
survey methods. Part 4 covers presenting and using your survey's
data to best effect. A useful resources section is also provided,
with example survey forms and details of additional information
resources that will optimize the impacts of your surveys. Key
amphibian survey techniques are discussed with reference to
published examples of successful surveys - so you'll be able to
choose what's right for your situation. Tips on optimizing your
survey effort and handling amphibians in the field are also
included. Whether carrying out a student expedition project or
seeking information to support the management of a protected area,
this book contains essential advice from an amphibian ecologist who
has encountered the same sorts of decisions you'll face when
planning your surveys.
"Evidence bases for conservation are becoming increasingly
important to convince landowners and politicians of the need to
take action in defence of species and habitats all around the
world. A valuable feature of this book is its emphasis on
collecting and analysing such essential information." Trevor
Beebee, Phyllomedusa Amphibians are among the most globally
endangered groups of vertebrates with more than one-third of
species being assessed as declining or threatened. Often, amphibian
declines can be attributed to a suite of interacting factors, many
of which are human in origin, but further information is needed to
elaborate the key causes and to discover ways of reversing
declines. Robust surveys provide vital ecological and biological
data on amphibian populations, and underpin the decisions made to
protect species and reverse their declines. Ongoing monitoring
informs land managers and decision makers about whether they are
taking the right action. This book is designed to help you carry
out amphibian surveying and monitoring so that the results of your
surveys can be used effectively. Part 1 introduces amphibians:
order Anura (frogs and toads); Caudata (newts and salamanders); and
order Gymnophonia (caecilians). Part 2 is essential reading before
you start surveying. It introduces the different types of survey
and monitoring programmes and discusses survey aims and resources.
It contains chapters on collecting and handling survey data; survey
permissions and licencing; health and safety, and biosecurity; and
handling amphibians. Part 3 discusses everything you need to know
during your survey, and provides a detailed look at amphibian
survey methods. Part 4 covers presenting and using your survey's
data to best effect. A useful resources section is also provided,
with example survey forms and details of additional information
resources that will optimize the impacts of your surveys. Key
amphibian survey techniques are discussed with reference to
published examples of successful surveys - so you'll be able to
choose what's right for your situation. Tips on optimizing your
survey effort and handling amphibians in the field are also
included. Whether carrying out a student expedition project or
seeking information to support the management of a protected area,
this book contains essential advice from an amphibian ecologist who
has encountered the same sorts of decisions you'll face when
planning your surveys.
New species of animal and plant are being discovered all the time.
When this happens, the new species has to be given a scientific,
Latin name in addition to any common, vernacular name. In either
case the species may be named after a person, often the discoverer
but sometimes an individual they wished to honour or perhaps were
staying with at the time the discovery was made. Species names
related to a person are 'eponyms'. Many scientific names are
allusive, esoteric and even humorous, so an eponym dictionary is a
valuable resource for anyone, amateur or professional, who wants to
decipher the meaning and glimpse the history of a species name.
Sometimes a name refers not to a person but to a fictional
character or mythological figure. The Forest Stubfoot Toad Atelopus
farci is named after the FARC, a Colombian guerrilla army who found
refuge in the toad's habitat and thereby, it is claimed, protected
it. Hoipollo's Bubble-nest Frog Pseudophilautus hoipolloi was named
after the Greek for 'the many', but someone assumed the reference
was to a Dr Hoipollo. Meanwhile, the man who has everything will
never refuse an eponym: Sting's Treefrog Dendropsophus stingi is
named after the rock musician, in honour of his 'commitment and
efforts to save the rainforest'. Following the success of their
Eponym Dictionary of Reptiles, the authors have joined forces to
give amphibians a similar treatment. They have tracked down 1,609
honoured individuals and composed for each a brief, pithy
biography. In some cases these are a reminder of the courage of
scientists whose dedicated research in remote locations exposed
them to disease and even violent death. The eponym ensures that
their memory will survive, aided by reference works such as this
highly readable dictionary. Altogether 2,668 amphibians are listed.
Experimental approaches to auditory research make use of validated
animal models to determine what can be generalized from one species
to another. This volume brings together our current understanding
of the auditory systems of fish and amphibians. To address broader
comparative issues, this book treats both fish and amphibians
together, to overcome the differing theoretical and experimental
paradigms that underlie most work on these groups.
The need to better understand the molecular, b- chemical, and
cellular processes by which a developing neuronal system unfolds
has led to the development of a unique set of experimental tools
and organisms. Special emphasis was devoted to allowing us access,
at the ear- est stages, to the genomic basis underlying the
system's ultimate complexity, as exhibited once its structures are
fully formed. Yet, nerve cells are anatomically, physiolo- cally,
and biochemically diverse. The multitude of d- tinctly different
routes for their development thus makes the developing nervous
system especially intriguing for molecular neurobiologists. In
particular, the demands of modern molecular neuroscience call for
the establishment of efficient yet versatile systems for studying
these c- plex processes. Transgenic embryos of the frog Xenopus
laevis offer an excellent system for approaching neuroscientific
issues. Insertion of foreign genes is performed simply, by mic-
injection under binocular observation; hundreds of in
vitro-fertilized embryos can be microinjected in one experiment.
Embryos develop in tap water, at room t- perature, and within a few
days become independent swimming tadpoles with fully functioning
neuromus- lar systems. Being relatively small, these organisms are
amenable to detailed analyses at the levels of mRNA, protein, and
cell. Their rapid development permits the study of morphogenetic
processes involved in early development, such as myogenesis and
neural induction, as well as those involved in organogenesis and
formation of the brain, the musculature, and the interconnections
between them. Foreign DNA remains predominantly extrachromosomal.
As scientific analysis of testable hypotheses has replaced the
speculative approach to study of bone disease in recent and fossil
amphibians and reptiles, the field has advanced from simply
reporting observations to analyzing their implications. This
process is predicated upon a reproducible data base which
explains/diagnoses the nature of bony alterations and a secure
review of the literature. Thereby hangs the rub. The herpetological
literature are difficult to access (let alone read) and are
scattered through many prominent and eclectic journals and in the
lay literature. While older diagnoses often have not stood the test
of time, the clarity of report descriptions usually allows
confident identification of the underlying pathology.
This book came about as a result of a review I had written earlier
on fea tures of cellular changes occurring during anuran
metamorphosis. Only a limited treatment of this subject was
possible in such a circumscribed work and only specific examples of
organic change were dealt with. Thus the sins of omission weighed
heavily, for so much information could not be included to provide a
more comprehensive and authenticated account of the elaborate,
complex, and far-reaching changes that an aquatic larva undergoes
to become a terrestrial froglet. A good deal of my working life has
been spent investigating amphib ians, especially their larval
developmental morphology during metamor phosis, first at the level
of light microscopy and in later years by electronmicroscopy.
Initially I was particularly concerned with morpho logical
homologies of a variety of larval structures, such as the cranial
and pharyngeal skeleton and the nerves and musculature, in order to
learn more about amphibian phylogeny, for during my pre-and early
postgrad uate years G. R. Beer and D. M. S. Watson inspired an
undying interest in and respect for vertebrate comparative anatomy.
However, it now seems to be that amphibian phylogenetic
relationships are best dealt with by the paleontologists, so ably
demonstrated by D. M. S. Watson and A. S. Romer and the
contemporary enthusiasts in this field like A. L. Panchen, R. L.
Carroll, E. Jarvik, and K. S. Thompson among a host of others,
particularly in the USA."
This book is a compendium of the latest research on acoustic
communication in these highly vocal vertebrates. The chapters are
written by experts currently investigating the physiology and
behavior of amphibians, in the laboratory and in the field. This
integrated approach provides a neuroethologically-driven and
evolutionary basis for our understanding of acoustic communication
and its underlying mechanisms. The intended audience includes
senior undergraduates, physiologists, zoologists, evolutionary
biologists and communication specialists.
Very Short Introductions: Brilliant, Sharp, Inspiring From frogs,
toads, newts, and salamanders, to the lesser-known caecilians,
there are over 8,000 species of amphibians alive today.
Characterised by their moist, naked skin and the tadpole phase of
their lives, they are uniquely adapted to occupy the interphase
habitat between freshwater and land. This Very Short Introduction
explores amphibians' evolution, adaptations, and biology, from the
first emergence of tetrapods onto land 370 million years ago, to
how their permeable skin enables them to thrive in their habitat
today. T. S. Kemp describes how different amphibians go about their
lives, looking in particular at their complex courtship behaviour
and their extraordinary means of providing care for their eggs and
larvae. Finally, he considers amphibians' relationship to humans,
and the ways in which they have been exploited as food, folk
medicine, and pets, as well as used in many areas of scientific
research. Today amphibians face a serious threat, with almost half
of species judged to be at risk of extinction. As the causes
include habitat destruction, pollution, and disease, mostly
resulting from human activity, T. S. Kemp shows that the
conservation of amphibians is very much in our hands. ABOUT THE
SERIES: The Very Short Introductions series from Oxford University
Press contains hundreds of titles in almost every subject area.
These pocket-sized books are the perfect way to get ahead in a new
subject quickly. Our expert authors combine facts, analysis,
perspective, new ideas, and enthusiasm to make interesting and
challenging topics highly readable.
Various brain areas of mammals can phyletically be traced back to
homologous structures in amphibians. The amphibian brain may thus
be regarded as a kind of "microcosm" of the highly complex primate
brain, as far as certain homologous structures, sensory functions,
and assigned ballistic (pre-planned and pre-pro grammed) motor and
behavioral processes are concerned. A variety of fundamental
operations that underlie perception, cognition, sensorimotor
transformation and its modulation appear to proceed in primate's
brain in a way understandable in terms of basic principles which
can be investigated more easily by experiments in amphibians. We
have learned that progress in the quantitative description and
evaluation of these principles can be obtained with guidance from
theory. Modeling - supported by simulation - is a process of
transforming abstract theory derived from data into testable
structures. Where empirical data are lacking or are difficult to
obtain because of structural constraints, the modeler makes
assumptions and approximations that, by themselves, are a source of
hypotheses. If a neural model is then tied to empirical data, it
can be used to predict results and hence again to become subject to
experimental tests whose resulting data in tum will lead to further
improvements of the model. By means of our present models of
visuomotor coordination and its modulation by state-dependent
inputs, we are just beginning to simulate and analyze how external
information is represented within different brain structures and
how these structures use these operations to control adaptive
behavior."
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