835 résultats
019594London: Natural History Museum Publications 1919. Quarto pp xxx 368 top bottom and fore-edge a little foxed otherwise very clean internally brown cloth very slightly bowed a small mark on the upper cover. Scarce. A heavy book - extra postage may be needed. First Edition. Cloth. Good. Natural History Museum Publications Hardcover
1996002120London: Collins 1996. Very good. 8vo. 220 x 150mm 479 pages. Colour and b/w photos line drawings. Book condition: Very good clean bright slight fade to spine not creased tight binding discrete name on endpaper protected in removable clear Lyfjacket. Comments: A fascinating study of the importance of natural pollination by insects birds bats vertebrates wind and water and the mechanisms used. First Edition in paperback. Soft Cover. Very Good. Illus. by -. 8vo - over 7¾" - 9¾" tall. Collins Paperback
2002011104Cambridge University Press 2002. A few illustrations and charts within the text pp viii 274 laminated boards a very good copy. The multitrophic level approach to ecology addresses the complexity of food webs much more realistically than the traditional focus on simple systems and interactions. Only in the last few decades have ecologists become interested in the nature of more complex systems including tritrophic interactions between plants herbivores and natural enemies. Plants may directly influence the behaviour of their herbivores' natural enemies ecological interactions between two species are often indirectly mediated by a third species landscape structure directly affects local tritrophic interactions and below-ground food webs are vital to above-ground organisms. The relative importance of top-down effects control by predators and bottom-up effects control by resources must also be determined. These interactions are explored in this exciting volume by expert researchers from a variety of ecological fields. This book provides a much-needed synthesis of multitrophic level interactions and serves as a guide for future research for ecologists of all descriptions. First Edition. Pictorial laminated boards. Very Good. Cambridge University Press Hardcover
2001010671Hamilton Illinois U.S.A.: Dadant & Sons 2001. Book. As New. Laminated Boards. First Edition. 8vo 16 x 24cm. pp. xi 28 b/w illustrations. Original hard back binding fine as-new. Contents clean and tight no inscriptions appears unopened. An as-new copy. Dadant & Sons Hardcover
2011L1138Rotterdam: Erasmus Universiteit. VG : in very good condition without dust jacket as issued. 2011. First English Edition. Illustrated laminated softback card cover. 240mm x 170mm 9" x 7". 136pp. . Erasmus Universiteit unknown
1978019658Washington: Smithsonian Institution 1978. Illustrated large octavo pp 231 with six folding charts in the rear pocket very slightly used internally paperback the covers very slightly used and age-toned the spine a little wrinkled. Polish collector of insects and plants in Peru. Woytkowski emigrated to Peru in 1929 where he collected more than a thousand insect species new to science and copious botanical specimens. He together with his new wife Helena was lured to Peru by a settlement company whose advertisements promised free passage and a homestead farm. In reality after landing in Callao he found himself with hundreds of other Europeans in a shanty immigrant camp waiting in vain for their free land. While most gave up and returned to their homes Woytkowski decided to stay in Peru with Helena and their four-year-old son settling in Yamaquezù near Oxapampa where he established himself as a naturalist collecting insects and plants to send to scientists in the United States and Europe. He was for seven years employed exclusively by the Swiss pharmaceutical firm CIBA looking for plants that could be used in medicines and also served on the staff of San Marcos University as a professor of French and La Molina College of Agriculture in Lima. Here he built up an extensive herbarium though he was best known for his entomological collections. He made numerous trips into Peru's mountainous areas and explored all the country's provinces both independently and on behalf of research institutions including the University of California and Missouri Botanical Garden. Although successful in his collecting career his family life was somewhat unhappy due to his constant need to move around which led his wife to leave him in the 1940s. After more than 30 years collecting in Peru he was dealt another blow when he found he could not draw a small pension from the Botanic Garden in Lima as he had never taken Peruvian citizenship. He thus returned to Poland in 1965 by now a strange land to him. Removed from his life's work and suffering in the colder climate he died in Krakow where he had been staying with his brother. Numerous insects are named in his honour including a genus of army ants. The plant genus Woytkowskia Woodson is also named for him. This memoir was published in Polish in 1974. First English edition. Paperback. Good. Smithsonian Institution Paperback
9788584934973-11-67395Almedina. New. Almedina unknown
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2013mon0000085686Editorial Universitaria 2013T. paperback. Like New. in x in x in. Editorial Universitaria paperback
B9781526195630Paperback / softback. New. A unique and worthwhile examination of EU relations with South America in the first decades of the twenty-first century focusing in particular on the evolution of negotiations for new generation preferential trade agreements. paperback
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2018x-1108440908Cambridge Univ Pr 2018. Paperback. New. reprint edition. 165 pages. 8.75x6.00x0.50 inches. Cambridge Univ Pr paperback
20142-8415833504Punto Rojo Libros 2014. Paperback. New. 238 pages. Spanish language. 10.00x7.00x0.56 inches. Punto Rojo Libros paperback
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20231-8418006218Debate 2023. Paperback. New. 576 pages. Spanish language. 9.00x5.75x1.75 inches. Debate paperback