The Autecology of Eudiaptomus cf drieschi (Poppe & Mrazek 1895 ...

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This thesis was completed under the supervision of Professor F. D. Por Dept. Evolution, Systematics and Ecology,The Hebrew University of Jerusalem Professor Moshe Gophen The Yigal Allon Kinneret Limnological Laboratory. Israel Oceanographic & Limnological Research Ltd.
Table of Contents Page Abstract Research Objectives 1 1. Introduction 2-8 1.1 Lake Kinneret Background 2-5 Biota 3 1.2 Long-term changes in the Kinneret Ecosystem 5-6 Biological 5 Physical 6 1.3 Previous Diaptomid Data from Lake Kinneret and Israel 6-8 2. Material and Methods 9-19 2.1 Seasonal Abundance 10 2.2 Benthic Resting eggs 10-12 2.3 Diel Survey 12-13 2.4 Experimental studies 14-16 2.4.1 Development 14 Biometrics 14 Stock preparation 15 2.4.2 Data analysis 16-17 2.4.3 Salinity tolerance 18 2.4.4 Food requirements 19 3. Results 20-44 3.1 General Taxonomy 20-22 Description of E. drieschi from Kinneret 21-24 3.2 Seasonal distribution 24-31 3.3 Sex ratios 32 3.4 Vertical distribution 32-34 3.5 Resting egg distribution 34-36 3.6 Development 38-41 Development Time 39 Development and growth rate 40-42
Page 1: The Autecology of Eudiaptomus cf dr
Page 5 and 6: Abstract Prior to the mid-eighties,
Page 7 and 8: occupying a niche and using its ada
Page 9 and 10: 1. General Introduction 1.1 Kinnere
Page 11 and 12: Over 30 different zooplankton speci
Page 13 and 14: The National Water Carrier, which w
Page 15 and 16: (Baird 1859); Arctodiaptomus (Arcto
Page 17 and 18: 2. Methods and Materials 2.1 Season
Page 19 and 20: (>20 µm) and nano (20 m) and nano
Page 21 and 22: Stock preparations Females with rip
Page 23 and 24: when the population meets condition
Page 25 and 26: 2.4.4. Food Requirements Mature adu
Page 27 and 28: c) b) a) d) e) • Figure 2: a) fem
Page 29 and 30: 23 The female antennules are symmet
Page 31 and 32: 25 Monthly Copepod Biomass 25.0 20.
Page 33 and 34: E. drieschi has a strong seasonal p
Page 35 and 36: Total Number of Organisms, L -1 80
Page 37 and 38: decline of E. drieschi in the water
Page 39 and 40: Average Depth of Individual = x 1 z
Page 41 and 42: Resting Egg Distribution in the Sed
Page 43 and 44: ) c) Figure 14: (a) resting egg fro
Page 45 and 46: 3.6 Development Development Time De
Page 47 and 48: Development Rate Post-embryonic dev
Page 49 and 50: 3.7 Salinity tolerance Survival of
Page 51 and 52: 4. Discussion 4.1 Taxonomical Posit
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4.2 Ecological Implications of Deve
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seasonal abundance or intra-specifi
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distinguish resting eggs from subit
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ability as copepods mature. Diaptom
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4.5.2 Temperature Temperature has b
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4.5.3 Food Calanoid copepods in gen
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chloride. Between 1955-69, salinity
Page 67 and 68:
This study offered the rare (and fo
Page 69 and 70:
Beeton, A. M. (1981) General introd
Page 71 and 72:
DeFrenza, J., Kirner, R.J., Maly, E
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Gophen, M. 1977. Food and feeding h
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Hanazato, T. and Yasuno, M. 1989. I
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Kawabata, K. 1989. Natural developm
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Norrbin, M.F. 1994. Seasonal patter
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copepod species in the eastern Wedd
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Implications for diel vertical migr
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האאוטאקולוגיה של (Po
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והוטלו שנה קודם לכך
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האאוטאקולוגיה של (Po
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