Food webs of two Venezuelan clear-water streams with seasonal fluctuations in hydrology /

addressed with standardized methodologies so that an accurate

Bibliographic Details
Main Author: Peterson, Christopher Chase
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy

MARC

Tag First Indicator Second Indicator Subfields
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035 |9 AHL3288AM 
035 |a (OCoLC)37765160 
040 |a TXA  |c TXA  |d UtOrBLW 
049 |a TXAM  |a TXAR 
099 |a 1997  |a Thesis  |a P48 
100 1 |a Peterson, Christopher Chase. 
245 1 0 |a Food webs of two Venezuelan clear-water streams with seasonal fluctuations in hydrology /  |c by Christopher Chase Peterson. 
264 1 |a [Place of publication not identified] :  |b [publisher not identified] ;  |c 1997. 
300 |a xiv, 144 leaves :  |b illustrations, maps ;  |c 28 cm. 
336 |a text  |b txt  |2 rdacontent 
337 |a computer  |b c  |2 rdamedia 
338 |a online resource  |b cr  |2 rdacarrier 
500 |a "Major subject: Wildlife and Fisheries Sciences". 
500 |a Vita. 
502 |b M.S.  |c Texas A&M University  |d 1997. 
504 |a Includes bibliographical references: pages 131-143. 
520 |a addressed with standardized methodologies so that an accurate  
520 |a allochthonous input to be of relatively little importance at  
520 |a and define the boundaries of AguaroGuariquito National Park.  
520 |a and reproduction increased during the wet season. Dietary  
520 |a artifacts that arose from analyzing webs that varied in data  
520 |a availability on food web structure. Previous studies that  
520 |a Both sites are influenced by seasonal fluctuations in  
520 |a both sites. Aquatic macrophytes and algae were the most  
520 |a compiled food webs from published literature have been  
520 |a consuming abundant invertebrate prey. As fish densities  
520 |a criticized for describing food web statistics from studies  
520 |a data sets that could be used in future analyses of food web  
520 |a description of an ecosystems food web could be created. This  
520 |a effects of seasonal environmental change and resource  
520 |a exploited seasonally available food resources at both sites  
520 |a fish densities and low capture efficiency. Piscivory  
520 |a higher than values reported by Winemiller, but lower than  
520 |a hydrology that create productive marshes during the wet  
520 |a importance in the webs at either site. Web connectance was  
520 |a important basal resources, and detritivory had little  
520 |a in order to standardize food web methodologies and create  
520 |a increased during the dry season as fish densities increased.  
520 |a increased, and dietary overlap decreased for most species  
520 |a intermediate species in the food webs at both sites was  
520 |a intermediate trophic level species in food webs indicated  
520 |a larger than recorded by other studies, and the number of  
520 |a Morichal Charcote and Morichal Charcotico are tributaries of  
520 |a Morichal Charcotico appeared to have more allochthonous input  
520 |a overlap was high during the wet season due to fishes  
520 |a pairs. Piscivory was low during the wet season due to low  
520 |a quality. The criticisms of earlier studies needed to be  
520 |a resource use by fishes, community interactions, and the  
520 |a season and isolated pools during the dry season. Fishes  
520 |a statistics. 
520 |a study was conducted with methods similar to Winemiller (1990)  
520 |a than Morichal Charcotico, however food web diagrams showed  
520 |a that omnivory was greater than published values. 
520 |a the Aguaro and Guariquito rivers, which flow to the Orinoco  
520 |a Two Venezuelan clear-water streams were sampled to describe  
520 |a values computed by other authors. The proportion of  
520 |a with varying methods. Patterns described may have been  
530 |a Also available online. 
530 |a Issued also on microfiche from Lange Micrographics. 
650 4 |a Major wildlife and fisheries sciences. 
856 4 1 |u https://hdl.handle.net/1969.1/ETD-TAMU-1997-THESIS-P48  |z Link to OAKTrust copy  |t 0 
999 |a MARS 
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952 f f |p noncirc  |a Texas A&M University  |b College Station  |c Cushing Memorial Library & Archives  |s cush tdrm  |d Cushing: Theses & Dissertations Microforms (Does not check out)  |t 0  |e 1997 Thesis P48  |h Other scheme  |i computer -- online resource 
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998 f f |a 1997 Thesis P48  |t 0  |l Cushing: Theses & Dissertations Microforms (Does not check out)