Zobrazeno 1 - 10 of 16 pro vyhledávání: '"Brian R. Allanson"'
1
Evolutionary retention of defensive lateral pedal glands in the smallest siphonariid limpet (Gastropoda: Pulmonata)
Autor: Alan N. Hodgson, Shirley C Pinchuck, Brian R. Allanson
Publikováno v: African Zoology; Vol 50, No 4 (2015); 327-330
Despite its cryptic habitat and habits, light and transmission electron microscopy has revealed that like many other siphonariids Siphonaria compressa, the smallest species of this genus, possesses lateral pedal glands. The pear-shaped glands (about
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff2f3413fcec264af7913121c2bee9df
https://www.ajol.info/index.php/az/article/view/150530
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2
The invertebrate macrobenthos of artificial rocky shores in the Knysna Estuary
Autor: Brian R. Allanson, Peter J. Smith, Frances Smith
Publikováno v: Transactions of the Royal Society of South Africa. 69:19-33
Macrobenthic invertebrate communities of artificial rocky shores are described in the Knysna Estuary, South Africa. Eleven vertical transects 0.25 m wide and 1.25–2 m long were sampled. Species richness varied from 10 to 16 species within 297–772
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::acdd2c05cdf32442eecf01c10cb8ff50
https://doi.org/10.1080/0035919x.2013.867910
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3
The Knysna Basin Project reviewed—research findings and implications for management
Autor: Brian R. Allanson
Publikováno v: Transactions of the Royal Society of South Africa. 55:97-100
The reasons for establishing the Knysna Basin Project (KBP) are given, and a synthesis is provided of those research findings from the investigation array which have immediate management implications. Acknowledgement for the support given to the Proj
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c1891b3a9f21321b59097a839ebdd1b
https://doi.org/10.1080/00359190009520435
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5
Benthic macrofauna richness and diversity in the Knysna Estuary: a 50 year comparison
Autor: J. Nettleton, Brian R. Allanson, C.J. De Villiers
Publikováno v: Transactions of the Royal Society of South Africa. 55:177-185
A study was initiated in 1997 to assess the diversity, distribution and density of the benthic macrofauna of the soft intertidal sediments of the Knysna Estuary using the same collecting sites and methods reported by Day, Millard & Harrison in 1952.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ff25eecbb2337ce9f3b024db751afd3
https://doi.org/10.1080/00359190009520442
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6
An estimation of the standing stock and population structure ofUpogebia africana(Crustacea: Thalassinidae) in the Knysna Estuary
Autor: Robyn Cretchley, Brian R. Allanson, Alan N. Hodgson
Publikováno v: Transactions of the Royal Society of South Africa. 55:187-196
Within the Knysna Estuary Upogebia africana has an extensive distribution from north of Leisure Isle to the Red Bridge, occupying 62% of the available intertidal zone. Six sites were surveyed within the above distributional range. U. africana was fou
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9118364698bde827bde272826e55cf1d
https://doi.org/10.1080/00359190009520443
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7
The exploitation ofUpogebia africana(Crustacea: Thalassinidae) for bait in the Knysna Estuary
Autor: Robyn Cretchley, Alan N. Hodgson, Brian R. Allanson
Publikováno v: Transactions of the Royal Society of South Africa. 55:197-204
The activities of people collecting Upogebia africana for bait at six popular collecting sites in the Knysna Estuary were monitored from February 1995 until April 1996. Three groups of bait harvesters were identified on the basis of their source of i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7a39173c895e373dd5a18adff52d134d
https://doi.org/10.1080/00359190009520444
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8
An introduction to the chemistry of the water column of the Knysna Estuary with particular reference to nutrients and suspended solids
Autor: Neil Grange, Brian R. Allanson, Bronwyn Maree
Publikováno v: Transactions of the Royal Society of South Africa. 55:141-162
The Knysna Estuary is the largest clear-water estuary along the coast of South Africa, with a spring-tide prism volume of 19 x l06 m3 and a tidal range of 1.8 m. The tidal flow covers an area of 1827 hectares at HWST. The tidal system is divided into
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d59bf16e25501004922cfe05a47cf70
https://doi.org/10.1080/00359190009520440
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9
The Influence of Freshwater Inflow on the Nature, Amount and Distribution of Seston in Estuaries of the Eastern Cape, South Africa
Autor: Brian R. Allanson, N. Grange
Publikováno v: Estuarine, Coastal and Shelf Science. 40:403-420
The influence of freshwater inflow in determining the particulate food resources for suspension-feeders in eastern Cape estuaries was investigated. The seasonal and spatial distribution of total particulate material (TPM), total particulate organic m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b94c9914dd5c5b64eb7aae7faa3d4c1
https://doi.org/10.1006/ecss.1995.0028
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