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Biology of Springtails (Insecta: Collembola)
Stephen P. Hopkin
Manufacturer: Oxford University Press, USA
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Binding: Hardcover
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ASIN: 0198540841 |
Book Description
Springtails are the most numerous and wide-spread insects in terrestrial ecosystems. They are important ecotoxicological test organisms and have been used extensively to indicate the effects of environmental pollutants and different agricultural regimes on biodiversity in soils. This comprehensive work by the co-author of The biology of millipedes is the only single-volume review of the biology of springtails in the English language to appear this century. The book covers classification, behaviour, physiology, evolution, ecology, and ecotoxicology. An extensive reference section with more than 2500 entries is included together with a complete list of all Collembola genera, a list of studies on the effects of chemicals on springtails, and reference to species checklists for most countries of the world.
Customer Reviews:
goood information.......2007-02-22
It details a diverse range of springtail taxonomy and ecology.
Good to the soil ecologist to get the overall perspectives
Book Description
This digital document is a journal article from European Journal of Soil Biology, published by Elsevier in 2007. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
In Flanders, vegetable, fruit and garden (VFG) wastes are collected selectively and composted. We studied the effects of the combined application of three different doses of VFG compost and cattle slurry during 7years on maize dry matter yields and three soil faunal groups: nematodes, micro-arthropods (springtails and mites) and earthworms. Combined application of VFG compost and slurry resulted in the highest yields. Initially, there was a clear yield depression on plots amended with compost in contrast to an upward trend in the last application years, proving a significant residual N effect from cumulative compost applications. The plant parasitic nematodes Pratylenchus sp. and the Tylenchidae were less abundant on plots receiving organic amendments, while the population of the bacteriophagous Rhabditidae was higher on these plots. Adding organic amendments resulted in increased numbers of micro-arthropods, springtails as well as mites. Earthworms were significantly more abundant when organic amendments were applied. The VFG compost had a larger overall positive effect on the three soil faunal groups than cattle slurry.
Book Description
This digital document is a journal article from Soil Biology and Biochemistry, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
We carried out a comparative study using mtDNA (COI) for two free-living, endemic, terrestrial invertebrate taxa-the springtail Gomphiocephalus hodgsoni (Hypogastruridae) and the mite Stereotydeus mollis (Penthalodidae) collected from sites throughout Victoria Land and the Queen Maud Mountains, Antarctica. Maximum likelihood (ML) analyses revealed low levels of intraspecific substructuring for G. hodgsoni (=
<2% sequence divergence) with groups mostly corresponding to geographic location. Other well-defined (morphological) species within the Hypogastruridae ranged from 15% to 22% sequence divergence relative to G. hodgsoni. In contrast, ML analyses for S. mollis showed considerably higher levels of intraspecific divergence (up to 18% sequence divergence), suggesting the presence of morphologically cryptic species. Other presently described mite species were also readily discernible (14-18% sequence divergence). Within both G. hodgsoni and S. mollis there were three main groups corresponding to: (1) Taylor Valley; (2) Beaufort Island; and (3) Ross Island together with the adjacent continental sites. We suggest that a common pattern of climatic and geological history over long-term glacial habitat fragmentation have determined the similar geographic and haplotype distributions found for both species. However, a large variation in substitution rate, around eight times slower for G. hodgsoni, compared to S. mollis, may be due to their different life history strategies on the Antarctic continent.
Book Description
This digital document is a journal article from Soil Biology and Biochemistry, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Decomposer animals stimulate plant growth by indirect effects such as increasing nutrient availability or by modifying microbial communities in the rhizosphere. In grasslands, the spatial distribution of organic matter (OM) rich in nutrients depends on agricultural practice and the bioturbation activities of large detritivores, such as earthworms. We hypothesized that plants of different functional groups with contrasting nutrient uptake and resource allocation strategies differentially benefit from sites in soil with OM accumulation and the presence of decomposer animals. In a greenhouse experiment we investigated effects of spatial distribution of ^1^5N-labelled grass litter, earthworms and collembola on a simple grassland community consisting of Lolium perenne (grass) and Trifolium repens (legume). Litter aggregates (compared to homogeneous litter distribution) increased total shoot biomass, root biomass and ^1^5N uptake by the plants. Earthworms and collembola did not affect total N uptake of T. repens; however, the presence of both increased ^1^5N uptake by T. repens and L. perenne. Earthworms increased shoot biomass of T. repens 1.11-fold and that of L. perenne 2.50 fold. Biomass of L. perenne was at a maximum in the presence of earthworms, collembola and with litter concentrated in a single aggregate. Shoot biomass of T. repens increased in the presence of collembola, with L. perenne generally responding opposingly. The results indicate that the composition of the decomposer community and the distribution of OM in soil affect plant competition and therefore plant community composition.
Book Description
This digital document is a journal article from Soil Biology and Biochemistry, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
In previously published papers it had been demonstrated that at the local level the species richness of soil springtail communities was negatively influenced by landuse diversity. When the dispersal rate of soil animals was taken into account, quite opposite trends were displayed by species having poor or high dispersal capabilities. At the local level, species with short legs, non functional jumping apparatus and reduction of visual organs were distinguished against by landuse diversity, while species with long legs, functional jumping apparatus (furcula) and complete eyes, thus able to disperse at the soil surface, were not. It was verified, through aerial photographs taken 50 years ago, that landuse changes, expected to be more frequent in heterogeneous landscapes, may contribute to explain this phenomenon.
Book Description
This digital document is a journal article from European Journal of Soil Biology, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Degradation factors can cause both quantitative and qualitative changes in fauna and thus affect soil functioning. The use of bio-indicators may help to detect environmental changes. The aim of this study was to evaluate the effects of lead and cadmium on the biology (mortality, reproduction, egg hatching) of two euedaphic collembolans, Sinella coeca and Folsomia candida and to evaluate sensitivity differences between the two species. The results showed that low concentrations of lead did not cause dramatic effects on the survival and reproduction of both species. Reproduction of both species was reduced when the soil contained a nominal concentration of Pb at 1000 @mg g^-^1. S. coeca and F. candida showed a high sensitivity to cadmium and both their reproduction and survival were significantly reduced on exposure to 50 @mg g^-^1. Moreover, egg hatching of F. candida was affected by the cadmium concentrations in the soil, and by the amount of time that the eggs stayed in contact with cadmium. This study showed that the inhibition determined by Cd on F. candida juvenile production was caused in part by inhibition of deposition and, in part, by reduction of egg viability.
Book Description
This digital document is a journal article from European Journal of Soil Biology, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
The aim of this work was to determine whether the endogeic earthworm Hormogaster elisae [1] is involved in the active or passive predation of microarthropods at El Molar (Madrid, Spain). Different techniques were employed to study the gut content, and the casts of H. elisae earthworms cultivated in the laboratory. The casts consisted mainly of mineral particles and plant remains as well as a few microarthropods, nematodes and their remains. The gut contents were similar in composition, although no microarthropod remains were found, except for a single springtail (order Poduromorpha) in one earthworm's gizzard. The results suggest that H. elisae may accidentally ingest microarthropods along with soil. The microarthropods found in the casts may have colonized them after their deposition since none were found in isolated casts.
Book Description
This digital document is a journal article from European Journal of Soil Biology, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
The Pampa region is the most important agricultural area in Argentina. Although intensive agricultural activity is leading to important levels of soil degradation, studies on the impact on soil fauna are scarce. Despite the environmental importance of collembolans, symphylans and pauropods in soil, information on the influence of land management on their population densities is poor, particularly in Neotropical agroecosystems. The aim of this study was to investigate the effects of different management systems on the density of collembolans, symphylans and pauropods. Population abundance of these arthropods was examined in a natural site and a cattle raising, a mixed and an agricultural management system on a Typic Hapludoll soil in La Colacha, Cordoba, Argentina. All the sites studied had the same land use history until approximately 50 years before sampling and have the same soil type. Total abundance of the studied groups varied in the different management systems. Our results suggest that conventional agricultural management tends to reduce the density of collembolans and pauropods. Our data do not support our hypothesis that the cattle raising management system constitutes an intermediate situation between the natural site and the high-input management systems. We conclude that the reduction of collembolan and pauropod densities in high-input management systems is largely explained by the mechanical and chemical perturbations produced by conventional agricultural management practices and by particular abiotic soil conditions present in the intensively managed sites that are unfavourable for these organisms. Surprisingly, symphylans were more abundant in the mixed management site. The implications of our findings on soil ecosystem functioning are discussed.
Book Description
This comprehensive look at GIS doesn't overwhelm with details, equations, or computer codes. Instead the author interweaves the ideas of geographic inquiry and spatial discovery, inviting readers to join in the excitement of discovery as it takes place within the computerized world of the digital GIS databases. After discussing spatial and mapping concepts, the author sequentially addresses the components of GIS systems. A final chapter spotlights the process of designing and implementing a GIS system.
Customer Reviews:
Lame, at best.......2006-10-01
I totally agree with the two negative review above. This book is unnecessarily obtuse. You should look elsewhere if you are a total beginner. The information does not need to be presented in such a dry, academic manner.
A review from an undergraduate user.......2005-12-12
I was privileged to take a class from Dr. Demers, himself, using this textbook. I found it to be a great textbook, and I particularly enjoyed his sense of humor in the book, a welcome addition to what I found to be a somewhat difficult and challenging topic. He has a good understanding of the topic, and a sensitivity to the needs of students that is unparalleled. I recommend it to anyone willing to put the effort into learning a new way of looking at geography and the world.
Most topics are covered, but this book is barely readable.......2004-04-12
This book needs help, it is verbose. The book could be cut by a third, and would not lose any meaning. Most of the important topics are covered, but the discussions are often difficult to wade through, it takes forever to get to the main point.
There are better introductory texts out there. The ones by C.P. Lo and A.K Yeung, or by P. Bolstad are both more concise, to the point, easier to read, and just as complete in their coverage of topics.
Useful, but needs editorial work.......2004-03-21
I am a GIS novice, and am about 1/3 of the way through the book. There is definitely a lot of useful and current information in this book, so I find it worth reading. However, I feel editorial work on it is needed in several ways. There are numerous examples of sloppy use of English (both in choice of words and in paragraph structure), discussions that are overly abstract, and explanations that are lengthy yet unclear. This was not universal, but occurred annoyingly often. On subjects I knew something about already, I was able to see how the book's accounts were accurate, but only after puzzling over the author's choice of phraseology. I will definitely have to look elsewhere for an understanding of map projections, database structures, raster models, and other topics.
Too much time is spent early in the book belaboring an abstract conceptual framework, where some concrete examples would serve much better. It was also disconcerting that certain terms are used without being defined (or only defined very abstractly), forcing the reader to guess meaning from the context. Yet other relatively simple terms are defined at length. The discussion questions at the end of each chapter are sometimes too open-ended, not focussed on the chapter material.
It is difficult to write for neophytes about a subject one knows intimately -- as I'm sure the author does. Important terms and assumptions are embedded in the one's thinking, so one does not realize that some crucial points are unfamiliar to the student, and one tends to skip certain steps. This book has good coverage of GIS issues, but it would benefit from a more severe editor and from more feedback from the undergraduate audience on which areas need clarification.
A comprehensive and very understandable text........1998-10-21
This is unquestionably one of the finest GIS textbooks available today. It covers not only the basic input, data management, and reporting concepts, but includes sufficient depth of spatial analysis issues that anyone not able to take additional geographic analysis courses will come away with enough practical knowledge to truly unleash the power of geographic information systems.
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Exercises in GIS to Accompany Fundamentals of Geographic Information Systems (2nd Edition)
Michael N. DeMers
Manufacturer: Wiley
ProductGroup: Book
Binding: Paperback
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ASIN: 0471352675 |
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Fundamentals of Geographic Information Systems: A Compendium
Manufacturer: American Congress
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ASIN: 0944426603 |
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Fundamentals of Spatial Data Quality (Geographical Information Systems series)
Manufacturer: ISTE Publishing Company
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Binding: Hardcover
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ASIN: 1905209568 |
Book Description
Spatial data quality, which helps minimize the risks of data misuse in a specific decision-making context, is explained in this book that provides perspectives on how to evaluate the quality of vector or raster data for both the data producer and the data user. Key concepts covered include describing the quality of vector or raster data, enhancing its quality, evaluating and documenting it using metadata, communicating it to users, and relating it to the decision-making process.
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INTERNATIONAL SOFTCOVER EDITION
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SDSU-RSI
M. E. de Vries
Manufacturer: Remote Sensing Institute, South Dakota State University
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Binding: Unknown Binding
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ASIN: B000710EK8 |
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- Body Mass Index: New Research
- Breast Cancer and Iodine : How to Prevent and How to Survive Breast Cancer
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![The application of vegetable, fruit and garden waste (VFG) compost in addition to cattle slurry in a silage maize monoculture: Effects on soil fauna and ... from: European Journal of Soil Biology]](http://ec1.images-amazon.com/images/I/21YCK93TM6L.jpg)
![Contrasting levels of mitochondrial DNA variability between mites (Penthalodidae) and springtails (Hypogastruridae) from the Trans-Antarctic Mountains ... article from: Soil Biology and Biochemistry]](http://ec1.images-amazon.com/images/I/21ZWGQP1YHL.jpg)
