barman r p (21 risultati)

Condizione: New.

Condizione: New. 1st Edition.

Condizione: New.

13 col. figs (illustratore). Contents 1 Introduction 2 Review of Indian literature 3 Material and methods 4 Key to species 5 Systematic accounts 6 Discussion Summary Acknowledgements References From the Introduction The threadfin fishes occur in tropical and subtropical coastal waters and estuaries There are also few freshwater species known to exist They are mostly epibenthic forms found on sandy and muddy bottoms in depths less than 150 meters These fishes generally feed on small fishes crustaceans and some even depend on planktons The pectoral filaments are most possibly helpful as a sense organ n search of food in muddy water Hermaphrodites among threadfin fishes seem to be common since their sex change from male to female with growth They probably breed in coastal waters and estuaries while the Mango fish of India is reported to ascend freshwater reaches of rivers for breeding purposes Polydactylus sexfilis Valenciennes is known to occur near reef areas in vicinity of oceanic islands and so seems to be not dependant on freshwater river inflow for breedingAn attempt has been made to review the studies of polynemid fishes made in India along with examination of fresh and preserved specimens in order to avoid prevailing confusions so that future workers will have proper guidance in the field of taxonomy as well as fisheries Moreover taxonomic confusions hinder collection of species-specific distributional as well as fisheries data These fishes are considered as most highly esteemed food fishes and mostly contribute to the fisheries of regional importance 42 pp.

Paperback. Condizione: As New. New. Contents Introduction. Systematic list of the fishes of Orissa coast. Systematic account. 1. Class Chondrichthyes. 2. Key to orders. 3. Order Orectolobiformes. 4. Family Hemiscyllidae. 5. Family Stegostomatidae. 6. Order Carchariniformes. 7. Family Himigaleidae. 8. Family Carcharhinidae. 9. Family Sphyrnidae. 10. Order pristiformes. 11. Family pristidae. 12. Order Torpediniformes. 13. Family torpedinidae. 14. Family Narcinidae. 15. Order Rajiformes. 16. Family Rhinobatidae. 17. Family Dasyatidae. 18. Family Gymnuridae. 19. Family Myliobatidae. 20. Family Mobulidae. 21. Class Osteichthyes. 22. Key to the orders. 23. Order Elopiformes. 24. Family Elopidae. 25. Family Megalopidae. 26. Order Anguilliformes. Summary. Acknowledgements. References. Table I. Fishes originally described as new to science from Orissa coast. 186 pp.

Condizione: New. pp. 272.

Condizione: New. pp. 272.

Condizione: New. pp. 86 , Illus.

Paperback. Condizione: As New. New. Contents Preface. Introduction. Family Nemipteridae Key to the Genera. Genus Nemipterus Swainson Key to the species 1. Nemipterus bipunctatus (Valenciennes 1830). 2. Nemipterus furcosus (Valenciennes 1830). 3. Nemipterus hexodon (Quoy and Gaimard 1824). 4. Nemipterus japonicus (Bloch 1791). 5. Nemipterus nematophorus (Bleeker 1853). 6. Nemipterus peronii (Valenciennes 1830). 7. Nemipterus randalli (Russell 1986). 8. Nemipterus zysron (Bleeker 1856). Genus Parascolopsis Boulenger Key to the species 1. Parascolopsis aspinosa (Rao and Rao 1981). 2. Parascolopsis boesemani (Rao and Rao 1981). 3. Parascolopsis eriomma (Jordan and Richardson 1909). 4. Parascolopsis inermis (Temminck and Schlegel 1843). 5. Parascolopsis townsendi (Boulenger 1901). Genus Scolopsis Cuvier Key to the species 1. Scolopsis aurata (Park 1797). 2. Scolopsis bilineata (Bloch 1793). 3. Scolopsis bimaculata (Ruppell 1828). 4. Scolopsis ciliata (Lacepede 1802). 5. Scolopsis frenatus (Cuvier 1830). 6. Scolopsis ghanam (Forsskal 1775). 7. Scolopsis lineata (Quoy and Gaimard 1824). 8. Scolopsis margaritifera (Cuvier 1830). 9. Scolopsis taeniatus (Cuvier 1830). 10. Scolopsis vosmeri (Bloch 1792). 11. Scolopsis xenochrous (Gunther 1872). Summary. Acknowledgements. Bibliography. 50 pp.

Condizione: New. pp. 272.

Soft cover. Condizione: New. Condizione sovraccoperta: New. 1st Edition. Contents: Introduction. Order 1. Osteoglossiformes. Family 1. Notopteridae. Order II. Anguilliformes. Family 2. Anguillidae (Freshwater Eels). Order III. Clupeiformes. Family 3. Clupeidae. Order IV. Cypriniformes. Family 4. Cyprinidae. Family 5. Balitoridae. Family 6. Cobitidae. Order V. Siluriformes. Family 7. Bagridae. Family 8. Siluridae. Family 9. Schilbeidae. Family 10. Pangasiidae. Family 11. Amblycipitidae. Family. 12. SIS oridae (sucker catfishes). Family 13. Erethistide. Family 14. Chacidae. Family 15. Olyridae. Order VI. Mugiliformes. Family 16. Mugilidae. Order VII . Perciformes. Family 17. Badidae. Family 18. Osphronemidae. Family 19. Channidae. Discussions. Threats and strategies for conservation. Summary and concluding remarks. References.

Soft cover. Condizione: New. 1st Edition. Contents: 1. Introduction. 2. Species account. 3. Summary. 4. Acknowledgements. 5. References.

Condizione: New. Print on Demand.

Paperback. Condizione: Good. Condizione sovraccoperta: no dj. Studies on the Reef-Dwelling Fishes of India. Book.

Pamphlet. Condizione: Good. First Edition. Booklet plus guides to 5 churches. Notable: clean and tightly bound with stapled spine, pictorial card covers which are worn at the edges, no inscriptions. Derby:16 page guide published in 1989, black & white photos in text. Youlgreave: 2 copies of Parish Church and records, one priced 1/6 and one 10p plus a guide published in 1987. Melbourne: history & guide dated 1968 plus a 1992 guide. Hartington: small foldout leaflet dated 1972 and Tideswell creased and chipped leaflet, undated.

Soft cover. Condizione: New. 1st Edition. Contents: 1. Introduction. 2. Study of the snappers in India. 3. Materials and methods. 4. Abbreviation used in this work. 5. List of the snappers occurring in India. 6. Family Lutjanidae. 7. Key to the genera. I. Genus Aphareus Cuvier. II. Genus Aprion Valenciennes. III. Genus Etelis Cuvier. IV. Genus Lipocheilus Anderson, Talwar & Johnson. V. Genus Lutjanus Bloch. VI. Genus Macolor Bleeker, 1860. VII. Genus Paracaesio Bleeker, 1875. VIII. Genus Pinjalo Bleeker, 1845. IX. Genus Pristipomoides Bleeker, 1852. X. Genus Symphorus Gunther, 1872. 8. Geographical distribution of the snappers in India (Table No. 1). 9. Diversity of snappers in India (Table no. 2). 10. Discussions. 11. Acknowledgements. 12. References.

Condizione: New.

Condizione: New.

Condizione: New.

Soft cover. Condizione: New. Contents: 1. Introduction. 2. Antarctic and Arctic regions. 3. Polar history. 4. Geography of Antarctica. 5. Biodiversity in Antarctica. 6. Threats and concerns of Antarctica. 7. Antarctic expedition. 8. Tourism and its effect on biodiversity of Antarctica. 9. Selected Bibliography. This book contains 1000 frequently asked questions with answers The Mysterious Antarctica . Several topics such as the distinction between Antarctic and Arctic regions, Polar history, Geography of Antarctica, General features, Boundaries and the Southern/Antarctic Ocean, Geological evolution of Antarctica along with continental drift, Geology of Antarctica, Climate in Antarctica, Glaciology in Antarctica, Astrophysics of Antarctica; Biodiversity in Antarctica, Plants of Antarctica, Animals of Antarctica: Invertebrates of Antarctica, Vertebrates in Antarctica: Fishes, Birds and Marine Mammals of Antarctica; Threats to Antarctica, Ozone hole in Antarctica and its effect on biodiversity, Global warming and climate change, melting of ice and snow and invasive species in Antarctic and Arctic regions and its effects on biodiversity, Environmental pollution and resources exploitation and their effect on biodiversity in Antarctica; Antarctic expeditions: requirements and transportation in antarctic expeditions, Survival and safety precautions in Antarctica, Antarctic treaty, Research Stations and Scientific Community of Antarctic Research (SCAR), Indian Antarctic Expeditions, Selection of Antarctic Expedition members, Achievements of Indian scientists, Indian Research Centres in Antarctic and Arctic and Indian Scientific contributions to the Polar Science; Tourism in Antarctica and its effect on Biodiversity of Antarctica are dealt with. Selected bibliography also provided for additional reference. This book will be very much useful to the students, researchers and general people who are interested to know and enrich their knowledge on the Polar Regions of our planet. It will also be a guide book on quiz contest on multifarious aspects of our planet including the formation of the seven continents. It will also be a guide for any of the competitive examinations since this book has been prepared in the form of frequently asked questions on Antarctic and Arctic Regions and its related matters including much debated questions about the impact of the global warming and climate change on both the Polar regions as well as the rest of the world, it will answer the readers various question on this alarming issue on the mankind. It is predicted that the ultimate home of the mankind. It is predicted that the ultimate home of the mankind. It is predicted that the ultimate home of the mankind will be the land of Antarctica due to the consequences of global warming and climate change provided this icy continent remains at that period of time. Several photographs of Antarctica along with the relevant questions have been included in this publications.

Hardcover. Condizione: New.