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| Author | : Joseph Daysh |
| Publisher | : |
| Total Pages | : 45 |
| Release | : 2007 |
| Genre | : |
| ISBN | : |
| Author | : Thomas D. Johnson |
| Publisher | : |
| Total Pages | : 200 |
| Release | : 1981 |
| Genre | : Zooplankton |
| ISBN | : |
| Author | : William S. Johnson |
| Publisher | : JHU Press |
| Total Pages | : 470 |
| Release | : 2012-10-05 |
| Genre | : Science |
| ISBN | : 1421406187 |
Zooplankton are critical to the vitality of estuaries and coastal waters. In this revised edition of Johnson and Allen's instant classic, readers are taken on a tour of the miniature universe of zooplankton, including early developmental stages of familiar and diverse shrimps, crabs, and fishes. Zooplankton of the Atlantic and Gulf Coasts details the behavior, morphology, and coloration of these tiny aquatic animals. Precise descriptions and labeled illustrations of hundreds of the most commonly encountered species provide readers with the best source available for identifying zooplankton. Inside the second edition• an updated introduction that orients readers to the diversity, habitats, environmental responses, collection, history, and ecological roles of zooplankton• descriptions of life cycles• illustrations (including 88 new drawings) that identify 340-plus taxa and life stages• range, habits, and ecology for each entry located directly opposite the illustration• appendices with information on collection and observation techniques and citations of more than 1,300 scientific articles and books
| Author | : W.M. Jr. Lewis |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 171 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 1461299861 |
This book is based on the premise that the study of ecological communities should be a composite analysis of system properties (community structure, community energetics) and population properties (life history patterns, adaptive strategies) backed by a thorough understanding of the physical chemical environment. Too frequently community ecology takes a much narrower focus. This may partly be the result of perceived antagonisms between schools of thought in ecology. Despite their rather separate origins, the multiple theoretical and methodological tools that now exist must be applied synthetically to real communities if the progress of the past two decades is to continue into the next two. This book has a case history format, which increases the opportunity for detailed analysis, although I have attempted to maintain the general per spective of a community ecologist and to draw extensively from the literature whenever it seems profitable to do so. The case history data are for Lake Lanao, a large tropical lake. The main zooplankton data base used in the analysis is entirely original and unpublished, although the detailed support ing data on the physical-chemical environment and the phytoplankton com munity have been presented in numerous journal articles and are thus abstracted or used selectively to meet the needs of zooplankton community analysis.
| Author | : Maureen McConnell |
| Publisher | : |
| Total Pages | : 436 |
| Release | : 1977 |
| Genre | : Marine zooplankton |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 232 |
| Release | : 2010 |
| Genre | : Marine pollution |
| ISBN | : |
| Author | : Jo Avital Werba |
| Publisher | : |
| Total Pages | : 51 |
| Release | : 2016 |
| Genre | : |
| ISBN | : |
Pre and post-colonization factors differentially affect community structure. Sea level rise is mixing formerly isoloted freshwater communities with salt water communities. These ponds have a large range of salinity, which is a strong post-colonization factor due to the difficulty of osmoregulation. In this study I seek to understand how changes in pre-colonization factor, dispersal, will affect this system that has a strong post-colonization filter in both community structure and ecosystem function. I manipulated dispersal between mesocosms at four distinct salinities (0ppt, 5ppt, 9ppt, 13ppt). I found that the post-colonization biological filter of salinity is the main driver of both structure and function,with reductions in diversity, decomposition and net primary productivity as salinity increased. This could have dire consequences for our coastal plains where salinity is increasing due to sea level rise.
| Author | : Bethany Rose Eden |
| Publisher | : |
| Total Pages | : 140 |
| Release | : 2008 |
| Genre | : Eddies |
| ISBN | : |
| Author | : Matthew James Watson |
| Publisher | : |
| Total Pages | : 53 |
| Release | : 2007 |
| Genre | : |
| ISBN | : |
| Author | : Kelli Denise McCloud Dickerson |
| Publisher | : |
| Total Pages | : 232 |
| Release | : 2008 |
| Genre | : Instream flow |
| ISBN | : |
The zooplankton community structure within a river is governed by a variety of physical, chemical, and environmental features. The current study assessed the role of flow in characterizing the microcrustacean zooplankton community of the Missouri River. I also designed an artificial flow chamber for observing species-specific responses to flow. Missouri River zooplankton samples and physico-chemical variables were collected from 78 sites by USGS field crews during July-September 2005. I analyzed these samples to test for differences in features of the microcrustacean zooplankton community between hydrologically-distinct flow variability units and zones of human alteration. I also assessed the relative contribution of flow characteristics to explaining the overall pattern of zooplankton community structure of the river. The results of this study indicate there are detectable differences in microcrustacean community features at different scales of flow characterization (large zones and smaller units). Community structure was discriminated between flow units, but not alteration zones, of the river. Distance from the nearest upstream reservoir explained more of the overall community pattern of the river than any other combination of environmental factors, reflecting an indirect influence of flow and alteration of the river on the cladoceran and copepod community of the Missouri River. Preliminary measurements indicate the flow chamber is operational at low flow speeds (2.6 to 11.1 cm/s) and has the potential for measuring individual responses to flow environments.
