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This illustrated introduction to Central American Chironomidae offers extensive photographic material, as well as detailed morphological and ecological descriptions of chironomid subfossils found in Central American lake sediments. The book uniquely provides two identification keys: one for living larvae occurring (or potentially being present) in Central America and one for the recorded subfossil remains, using limited morphological characters. Paleolimnological investigations using chironomid remains have undergone a resurgence of interest, and this taxonomic guide will aid the thorough analysis of the diversity and distribution of the taxa encountered to date in Central America. Out of the total 64 described genera, the book brings 20 endemic genera, and more than half of the presented morphotypes are new. Plates are included for each taxon with generic characters and also provide a key to morphotypes, if present, their specific characters, distribution, and ecology. Authored by a (paleo)limnologist and a taxonomist, the guide draws on a thorough taxonomical knowledge of the region’s recent chironomid fauna. It uses a paleolimnological approach to transmit this information to morphotypes that can be linked with ecology and used to reconstruct the past development of nature. The book thus helps paleo-workers and taxonomists to learn more about these fascinating insects and, through them, to discover the world around us. Providing a comprehensive reference for aquatic ecologists, paleolimnologists, students, and researchers, the guide will also be of interest to non-academic professionals working on applied research and biomonitoring of lakes. It will be useful for people studying both recent and subfossil material, not only in Central America, but in the whole Neotropical region.
While volume 1 includes several introductory chapters and treats 42 families of flies in the Lower Diptera, volume 2 covers the remaining 64 families of flies that make up the Higher Diptera (or Cyclorrhapha). These include families of house flies, fruit flies, bot flies, flower flies and many other lesser-known groups. The text is accompanies by over 1660 line drawings and photographs.
The dipteran family Chironomidae is the most widely distributed and frequently the most abundant group of insects in freshwater, with rep resentatives in both terrestrial and marine environments. A very wide range of gradients of temperature, pH, oxygen concentration, salinity, current velocity, depth, productivity, altitude and latitude have been exploited, by at least some chironomid species, and in grossly polluted environments chironomids may be the only insects present. The ability to exist in such a wide range of conditions has been achieved largely by behavioural and physiological adaptations with relatively slight morphological changes. It has been estimated that the number of species world-wide may be as high as 15000. This high species diversity has been attributed to the antiquity of the family, relatively low vagility leading to isolation, and evolutionary plasticity. In many aquatic ecosystems the number of chironomid species present may account for at least 50% of the total macroinvertebrate species recorded. This species richness, wide distribution and tolerance to adverse conditions has meant that the group is frequently recorded in ecological studies but taxonomic difficulties have in the past prevented non-specialist identification beyond family or subfamily level. Recent works, including genetic studies, have meant that the family is receiving much more attention globally.
00 This is the first comprehensive guide to insect life in a part of the world known for its abundant, and endangered, life forms. Charles Hogue's scholarship embraces vast geographical territory--Mexico, Central and South America, and the Caribbean. Color photographs and first-rate drawings illustrate the clearly written text. This is the first comprehensive guide to insect life in a part of the world known for its abundant, and endangered, life forms. Charles Hogue's scholarship embraces vast geographical territory--Mexico, Central and South America, and the Caribbean. Color photographs and first-rate drawings illustrate the clearly written text.
This issue of ZooKeys celebrates the 75th birthday of Alexandr P. Rasnitsyn, a pioneer in the palaeontology and phylogeny of Hymenoptera, as well as a leader generally in insect systematics and evolution. Born in Moscow, Russia, on 24 September 1936, he developed his passion for Hymenoptera at an early age. After completing his degrees in 1960 he joined the Arthropoda Laboratory in the Paleontological Institute of the USSR (now Russian) Academy of Sciences, Moscow, and worked his way from Technician to the Head of the laboratory, in this capacityÿ leading the most productive group of paleoentomologists for 28 years. He has co-authored and edited several keystone books on insect paleontology and evolution, including History of Insects (2002), the first large-scale work of its kind in English. Rasnitsyn served as the first President of the International Palaeoentomological Society, and was bestowed Honorary Membership by the Russian Entomological Society and in 2008 with the Distinguished Research Medal of the International Society of Hymenopterists. Herein colleagues from around the world have presented original contributions to the systematics of diverse insect orders, living and fossil, as a tribute to this pioneer of Hymenoptera and paleoentomological research. Numerous new taxa are described and their phylogenetic implications explored. A biographical sketch and a list of Rasnitsyn?s more than 360 scientific publications (spanning 52 years) are provided.
Produced by a Leading Aquatic Scientist A narrative account of how estuaries around the world are being altered by human forces and human-induced global climate changes, Climate Change and Coastal Ecosystems: Long-Term Effects of Climate and Nutrient Loading on Trophic Organization chronicles a more than 40-year-old research effort conducted by Dr. Robert J. Livingston and his research team at Florida State University. Designed to evaluate system-level responses to natural and anthropogenic nutrient loading and long-term climate changes, the study focused on the northeast Gulf of Mexico river–bay systems, and concentrated on phytoplankton/benthic macrophyte productivity and associated food web organization. It addressed the changes of food web structure relative to long-term trends of climatological conditions, and was carried out using a combination of field-descriptive and experimental approaches. Details Climate Change, Climate Change Effects, and Eutrophication This book includes comparative analyses of how the trophic organization of different river–bay ecosystems responded to variations of both anthropogenic impacts and natural driving factors in space and time. It incorporates a climate database and evaluates the effects of climate change in the region. It also provides insights into the effects of nutrient loading and climate on the trophic organization of coastal systems in other global regions. Presents research compiled from consistent field sampling methods and detailed taxonomic identifications over an extended period of study Includes the methods and materials that the research team used to access the health and trophic organization of Florida’s estuaries Provides an up-to-date bibliography of estuarine publications and reports Based on a longitudinal study of anthropogenic and natural driving factors on river-estuarine systems in the northeast Gulf of Mexico, Climate Change and Coastal Ecosystems: Long-Term Effects of Climate and Nutrient Loading on Trophic Organization is useful as a reference for researchers working on riverine, estuarine, and coastal marine systems.