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Author: Raziuddin Ansari
Publisher:
ISBN: 9788193128534
Category : Angiosperms
Languages : en
Pages : 945
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Book Description
Author: Raziuddin Ansari
Publisher:
ISBN: 9788193128534
Category : Angiosperms
Languages : en
Pages : 945
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Book Description
Author: Kumudranjan Naskar
Publisher: Daya Books
ISBN: 9788170350811
Category : Nature
Languages : en
Pages : 444
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Book Description
In the book the author discussed in brief the angiosperm flora of the fresh-water environment from the lower Ganga Delta regions of West Bengal. These individual flora should be familiar in terms of their correct nomenclature, identity, key notes, ecological setup, phenology, physiognomy and economic importance as well. It is also pointed out how far these plants are weedy and how these can be controlled and/ or utilized. There is a common belief that in the Universe each and every individual is correlated; without one the other cannot be successfully complete their life-cycle. So, for our own benefit and to avoid the pollution or to keep the nature in balance like others, these aquatic ecosystem should be conserved and scientific means and methods should be applied. Taking this view in mind, the flowering plants of the freshwater ecosystems (327 numbers) are discussed in relation to its taxonomy, Ecology and Economic Importance or potentialities. All these plant species were collected from the field by the author himself and studies the above subject at the field, the herbarium and laboratories. The experimental trials have also been made in the laboratories and in the agriculture and aquaculture ponds as well. Contents Chapter 1: Biology of the Aquatic Plants; Chapter 2: Ecosystems; Ecosystem components (aquatic-ecosystems), Biotic components of the aquatic ecosystem, Abiotic components of the aquatic ecosystem, Ecological pyramids in the aquatic environments, Productivity concept, Some of the climatic factors in the aquatic ecosystems, Light, Temperature, Water, Carbon dioxide, Nitrogen, Wind velocity, Soil, pH; Chapter 3: Climate of the Lower Ganga Delta in West Bengal; Chapter 4: Manipulation of Some Biotic Factors in Aquatic Ecosystems; Chapter 5: Classification of the Marshy/ Aquatic Plants; Chapter 6: Classification of the Marshy/ Aquatic Plants; Free-floating hydrophytes, Rooted hydrophytes with floating leaves, Rooted submerged hydrophytes, Rooted emergent hydrophytes or helophytes or amphibious plants, Wet land hydrophytes or semi-aquatic plants; Chapter 7: Different types of the aquatic and marshy environment of this delta; Chapter 8: Different Types of Macro-vegetation Zones in the Marshy Areas of the Lower Ganga Delta; Chapter 9: Problems Caused by the Aquatic Weeds in the Lower Ganga Delta; Chapter 10: Some Common Aquatic Weeds and their Extent of Infestation; Chapter 11: Transmission or Migration of the Aquatic Weeds; Chapter 12: Methods of Controlling Aquatic Weeds; Manual and mechanical control or physical methods-merits of physical methods-demerits of physical methods, Chemical control or herbicidal methods, Fertilization methods of control, Control through utilization; Chapter 13: Importance of the Ecological Life-cycle Studies for Aquatic Plants; Chapter 14: Economic Used or Utilization of the Aquatic Plants; Chapter 15: Discussion Regarding the Aquatic Flora of Lower Bengal; Chapter 16: List of the Common Aquatic, Semi-aquatic, Marshy and Moist loving Plants from the Lower Ganga Delta in West Bengal; Chapter 17: Keys to the Families and Brief Diagnostic Characters of the Freshwater loving Plants; Chapter 18: Taxonomic Enumerations; Chapter 19: Bibliography of the Freshwater Plants; Chapter 20: Index to the Scientific Names, Families Names and Generic Names.
Author: B. Gopal
Publisher: Springer Science & Business Media
ISBN: 9400919840
Category : Science
Languages : en
Pages : 260
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Book Description
Life originated and evolved in water. Later the The tropical countries where the need to under plants moved out of water, conquered the land and stand the natural ecosystems is far greater because became dominant over it. The evolution through they are under intensive pressure from develop the millennia resulted in enormous complexity of ment from a rapidly growing human population, form, tissue organisation, reproductive mechan have generally devoted much less attention to the isms and specialisation of taxa in different niches. studies of aquatic ecosystems. The Indian subconti At some stage during evolution, some plants devel nent is a well-recognised biogeographic region with oped appropriate morphological and physiological a distinct geological history, climate, soils and adaptations and reverted back to the aquatic and/ biota. It is also distinct in the history of human civilisation and cultures which have a profound bear or semi-aquatic habitat. These plants, perhaps with the exception of a few ing on the natural ecosystems. This book is in with beautiful flowers, have attracted little atten tended to provide the state of our knowledge of the tion from mankind. The fact that humans evolved aquatic and semi-aquatic vegetation in the inland in a tropical forest or savanna environment appears freshwaters of the subcontinent. The book covers responsible for a permanent bias in human atti only the herbaceous vegetation, since there is al tudes towards land and its biota.
Author: T. S. Nayar
Publisher:
ISBN: 9788190039765
Category : Angiosperms
Languages : en
Pages : 1069
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Book Description
Author: Christopher D. K. Cook
Publisher:
ISBN: 9780198548218
Category : Freshwater plants
Languages : en
Pages : 0
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Book Description
The importance of wetlands to life on Earth is now generally accepted. This is a reference book and identification manual for the vascular plants found in permanent or seasonal fresh water in the subcontinent of India south of the Himalayas. About 660 species are described, and all plantsare illustrated by line drawings showing the diagnostic features. The text is written in a style for both experts and those with only a little botanical training. Scientists and conservationists will be able to identify the plants with accuracy and to build on this information to promoteconservation.
Author:
Publisher:
ISBN:
Category : Botany, Economic
Languages : en
Pages : 602
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Book Description
Author: N. Sasidharan
Publisher:
ISBN:
Category : Angiosperms
Languages : en
Pages : 606
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Book Description
Author: Mathew Oommachan
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 384
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Book Description
Author: C. N. Sunil
Publisher:
ISBN: 9788121107242
Category : Plants
Languages : en
Pages : 949
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Book Description
"This book deals with 1111 species of flowering plants collected from Alappuzha district, belonging to 619 genera and 139 families. The species index is registered as 786/1000 sq.km, which is comparatively very high and indicates the richness of the floristic diversity of the district. An analysis of the flora showed that 64 species are endemic and about 145 species are rare. A total of 88 wild relatives of cultivated crop plants and 128 very important medicinal plants have also been collected from the district. Updated nomenclature, detailed description and distributional notes are provided for each species." --NHBS Environment Bookstore.
Author: Brij Gopal
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 280
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Book Description
