Download or read book Thesaurus of Agricultural Organisms written by Derwent Publications and published by CRC Press. This book was released on 1990-09-20 with total page 1578 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Contribution Toward a Monograph of the Adelginae Phylloxeridae of North America written by Percy Nicol Annand and published by . This book was released on 1928 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pests of Ornamental Trees Shrubs and Flowers written by D. V. Alford and published by Academic Press. This book was released on 2012-07-26 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ornamental trees, shrubs and flowers have always been extremely popular and in large demand. Whether in gardens or parks, common usage of alpines, bedding plants, cacti, cut flowers, house plants and pot plants, as well as herbaceous plants, ornamental grasses, shrubs and trees makes a definitive volume on their pests of essential value to entomologists and plant scientists. The fully revised and updated second edition of Pests of Ornamental Trees, Shrubs and Flowers follows up the successful previous edition with coverage of many new pests and highly detailed color photographs. The book opens with a review of the main features of insects, mites and other major pest groups. . Each major order and family of pests is considered in turn, with details of their status, host range, world distribution, diagnostic features and biology. Descriptions of the characteristic damage caused are also given. Contains coverage of more than 60 new pests and nearly 90 additional color photographs Discusses principles of pest control of ornamental plants, followed by sections on the various pests
Download or read book Stanford University Publications written by and published by . This book was released on 1927 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pamphlets on Biology written by and published by . This book was released on 1923 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dynamics of Forest Insect Populations written by Alan A. Berryman and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Insects multiply. Destruction reigns. There is dismay, followed by outcry, and demands to Authority. Authority remembers its experts or appoints some: they ought to know. The experts advise a Cure. The Cure can be almost anything: holy water from Mecca, a Government Commis sion, a culture of bacteria, poison, prayers denunciatory or tactful, a new god, a trap, a Pied Piper. The Cures have only one thing in common: with a little patience they always work. They have never been known entirely to fail. Likewise they have never been known to prevent the next outbreak. For the cycle of abundance and scarcity has a rhythm of its own, and the Cures are applied just when the plague of insects is going to abate through its own loss of momentum. -Abridged, with insects in place of voles, from C. Elton, 1924, Voles, Mice and Lemmings, with permission of Oxford University Press This book is an enquiry into the "natural rhythms" of insect abundance in forested ecosystems and into the forces that give rise to these rhythms. Forests form unique environ ments for such studies because one can find them growing under relatively natural (pri meval) conditions as well as under the domination of human actions. Also, the slow growth and turnover rates of forested ecosystems enable us to investigate insect popula tion dynamics in a plant environment that remains relatively constant or changes only slowly, this in contrast to agricultural systems, where change is often drastic and frequent.
Download or read book Handbook of Alien Species in Europe written by Delivering Alien Invasive Species and published by Springer Science & Business Media. This book was released on 2008-11-14 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological invasions by alien (non-native) species are widely recognized as a significant component of human-caused global environmental change and the second most important cause of biodiversity decline. Alien species threaten many European ecosystems and have serious environmental, economic and health impacts. The DAISIE (Delivering Alien Invasive Species Inventories for Europe) project has now brought together all available information on alien species in Europe (terrestrial, aquatic and marine) and from all taxa (fungi, plants, animals). Thus for the first time, an overview and assessment of biological invasions in the Pan-European region is finally possible. The Handbook of Alien Species in Europe summarises the major findings of this groundbreaking research and addresses the invasion trends, pathways, and both economic as well as ecological impact for eight major taxonomic groups. Approximately 11.000 alien species recorded in Europe are listed, and fact sheets for 100 of the most invasive alien species are included, each with a distribution map and colour illustration. The book is complemented by a regularly updated internet database providing free additional information. With its highly interdisciplinary approach, DAISIE and its Handbook will be the basis for future scientific investigations as well as management and control of alien invasive species in Europe.
Download or read book Technology Transfer Hemlock Woolly Adelgid written by S. M. Salom and published by . This book was released on 1996 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1967 with total page 1374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Galls of Europe written by J. C. Roskam and published by . This book was released on 2019 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on Herbert Buhr's seminal keys of 1964-1965 (Bestimmungstabellen der Gallen (Zoo- und Phytocecidien) an Pflanzen Mittel- und Nordeuropas) and augmented with Houard's 1908-1913 work on Southern Europe (Les Zoocécidies des Plantes d'Europe et du Bassin de la Méditerranée). The authors have updated this with the research of a new generation of cecidologists, significantly expanding our knowledge of plant galls and their distribution. The 9,000 galls and malformations described by Buhr and Houard have been updated and 1,250 new galls described in more recent literature have been added. The nomenclature of both gall inducers and host plants has been updated, information about specific groups of gall inducers has been reviewed, and new insights have been added by a team of specialists. Moreover, they collected distribution data for the whole of Europe and, where available, adjacent areas.
Download or read book Oregon Wilderness Act of 1983 written by United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Public Lands and Reserved Water and published by . This book was released on 1984 with total page 1292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Western Forest Insects written by Robert Livingston Furniss and published by . This book was released on 1977 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Insect Enemies of Western Forests written by and published by . This book was released on 1938 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of the Specimens of Homopterous Insects in the Collection of the British Museum written by British Museum (Natural History). Department of Zoology and published by . This book was released on 1852 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book List of the Specimens of Homopterous Insects in the British Museum By F Walker Edited by J E Gray written by British Museum (Natural History). Department of Zoology and published by . This book was released on 1852 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Beneficial Insects written by David V. Alford and published by CRC Press. This book was released on 2019-04-23 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: CHOICE Highly recommended 2020 Insects are key components of life on our planet, and their presence is essential for maintaining balanced terrestrial ecosystems. Without insects humans would struggle to survive, and on a world scale food production would be severely compromised. Many plants and animals depend directly or indirectly on insects for their very survival, and this is particularly so in the case of insectivorous birds and other such creatures. The beneficial role of insects is often overlooked or misunderstood, and in farming circles their very presence on crops is often seen to be unwelcome. In reality, however, many insects are genuinely beneficial, as in the case of parasitic and predacious species. The use of chemical pesticides to control crop pests is becoming more tightly regulated and environmentally undesirable, and low-input farming, in which natural enemies of pests are encouraged to survive or increase, is becoming far more prevalent. Accordingly, Integrated Pest Management (IPM) and Integrated Pest Management (ICM) strategies are increasingly being developed, advocated and adopted. Features: Highlights information on many groups of insects and mites that act as natural enemies or biological control agents of phytophagous insects and mites, including plant pests. Profusely illustrated with high-quality colour photographs. Focuses mainly on insects and mites as natural enemies of plant pests, including parasitic and predacious species that have been accidentally or deliberately introduced in classical biological control programmes. Reviews the role of phytophagous European insects and mites in controlling or managing European plants that have become invasive weeds in other parts of the world, notably North America, Australia and New Zealand.
Download or read book Biological Control of Arthropod Pests of the Northeastern and North Central Forests in the United States written by R. G. Van Driesche and published by . This book was released on 1996 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
