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On the Distribution and Ecology of Littorina Obtusata (L.) and Its Subspecific Units

On the Distribution and Ecology of Littorina Obtusata (L.) and Its Subspecific Units ON THE DISTRIBUTION AND ECOLOGY OF LITTORINA OBTUSATA (L.) AND ITS SUBSPECIFIC UNITS by J. J. BARKMAN (including results obtained by G. J. H. EBBINGE WUBBEN and J. VERWEY) (Zoological Station, Den Helder) CONTENTS I. Introduction .......................... 23 . A. Acknowledgments ...................... 23 B. Scope of research and problems involved ............ 24 II. The horizontal distribution and its causes.............. 24 A. The horizontal distribution .................. 24 . i. The distribution of the species as a whole ........... 24 2. The subspecies and their distribution ............. 25 3. The varieties and their distributio:1.............. 25 B. The causes of the horizontal distribution............. 29 i. Abiotic factors ..................... 29 a. Temperature ...................... 29 b. Salinity......................... 30 ' c. Watermovement ..................... 31 i d. Substratum and suspended mattcr ............. 35 " 2. Biotic relations....................... 35 , , 3. Geographical and historical factors .............. 36 4. Conclusions ........................ 37 III. The vertical distribution and its causes............... 37 A. The vertical distribution.................... 37 i. The distribution in relation to tidal levels ........... 37 a. The tidal levels ..................... ' 37 b. The distribution of the species as a whole in relation to tidal levels 37 7 c. The distribution of the varieties in relation http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives Néerlandaises de Zoologie (in 1967 continued as Netherlands Journal of Zoology) Brill

On the Distribution and Ecology of Littorina Obtusata (L.) and Its Subspecific Units

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Publisher
Brill
Copyright
© 1956 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0365-5164
eISSN
1875-3019
DOI
10.1163/036551656X00085
Publisher site
See Article on Publisher Site

Abstract

ON THE DISTRIBUTION AND ECOLOGY OF LITTORINA OBTUSATA (L.) AND ITS SUBSPECIFIC UNITS by J. J. BARKMAN (including results obtained by G. J. H. EBBINGE WUBBEN and J. VERWEY) (Zoological Station, Den Helder) CONTENTS I. Introduction .......................... 23 . A. Acknowledgments ...................... 23 B. Scope of research and problems involved ............ 24 II. The horizontal distribution and its causes.............. 24 A. The horizontal distribution .................. 24 . i. The distribution of the species as a whole ........... 24 2. The subspecies and their distribution ............. 25 3. The varieties and their distributio:1.............. 25 B. The causes of the horizontal distribution............. 29 i. Abiotic factors ..................... 29 a. Temperature ...................... 29 b. Salinity......................... 30 ' c. Watermovement ..................... 31 i d. Substratum and suspended mattcr ............. 35 " 2. Biotic relations....................... 35 , , 3. Geographical and historical factors .............. 36 4. Conclusions ........................ 37 III. The vertical distribution and its causes............... 37 A. The vertical distribution.................... 37 i. The distribution in relation to tidal levels ........... 37 a. The tidal levels ..................... ' 37 b. The distribution of the species as a whole in relation to tidal levels 37 7 c. The distribution of the varieties in relation

Journal

Archives Néerlandaises de Zoologie (in 1967 continued as Netherlands Journal of Zoology) – Brill

Published: Jan 1, 1956

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