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  1. Article: Safety of low-cyanide cultivars.

    Robertson, A I

    Science (New York, N.Y.)

    2001  Volume 291, Issue 5505, Page(s) 828

    MeSH term(s) Africa ; Cooking ; Cyanides/analysis ; Food Contamination ; Food Handling ; Manihot/chemistry ; Manihot/genetics ; Plant Diseases
    Chemical Substances Cyanides
    Language English
    Publishing date 2001-02-02
    Publishing country United States
    Document type Letter
    ZDB-ID 128410-1
    ISSN 1095-9203 ; 0036-8075
    ISSN (online) 1095-9203
    ISSN 0036-8075
    DOI 10.1126/science.291.5505.828a
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 27: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)
    Zs.MG 77: Show issues

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  2. Article: Seed predation by insects in tropical mangrove forests: extent and effects on seed viability and the growth of seedlings.

    Robertson, A I / Giddins, R / Smith, T J

    Oecologia

    2011  Volume 83, Issue 2, Page(s) 213–219

    Abstract: Although insects are known to be important seed predators in most terrestrial forests, their role in marine tidal (mangrove) forests has not been examined. Surveys at 12 sites in tropical Australia showed that between 3.1 and 92.7 percent of the seeds or ...

    Abstract Although insects are known to be important seed predators in most terrestrial forests, their role in marine tidal (mangrove) forests has not been examined. Surveys at 12 sites in tropical Australia showed that between 3.1 and 92.7 percent of the seeds or propagules of 12 mangrove tree species had been attacked by insects. Seeds/propagules of six species (Avicennia marina, Bruguiera gymnorrhiza, B. parviflora, Heritiera littoralis, Xylocarpus australasicus and X. granatum) showed consistently high (>40%) levels of insect damage. Greater than 99% of H. littoralis seeds were attacked by insect predators. The survival and subsequent growth in height and biomass of insect-damaged and non-damaged control seeds/propagules of eight mangrove species were compared in shadehouse experiments. Mangrove species fell into 4 groups with regard to the effect of insect predators on their seeds and seedlings. Xylocarpus australasicus and X. granatum had significantly decreased survival (X 48 and 70%) and growth in height (X 61 and 96%) and biomass (X 66 and 85%). Bruguiera parviflora showed decreased survival (X 59%), but there was no effect of insects on the growth of surviving propagules. In contrast, there was no effect of insect damage on the survival of seedlings of Avicennia marina and Bruguiera exaristata, but decreased growth in height (X 22 and 25%) and biomass (X 22 and 26%). Survival and growth of seedlings of Rhizophora stylosa and Bruguiera gymnorrhiza were not affected. The influence of insect seed predators on the survival and growth of seeds of mangrove species in forests will depend on the relative abundance of seed-eating crabs and intertidal position in mangrove forests.
    Language English
    Publishing date 2011-12-08
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 123369-5
    ISSN 1432-1939 ; 0029-8549
    ISSN (online) 1432-1939
    ISSN 0029-8549
    DOI 10.1007/BF00317755
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 70/109: Show issues

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  3. Book: Preserving rural Australia

    Robertson, A. I / Watts, Robyn

    1999  

    Title variant Issues and solutions
    Author's details editors, Alistar Robertson and Robyn Watts
    Keywords Rural renewal ; Sustainable development ; Conservation of natural resources ; Natural resources/Management. ; Landscape protection ; Agricultural conservation
    Language English
    Size x, 158 p. :, ill., maps ;, 25 cm.
    Publisher CSIRO Pub
    Publishing place Collingwood, Vic
    Document type Book
    ISBN 0643063889 ; 9780643063884
    Database NAL-Catalogue (AGRICOLA)

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  4. Article: Relationships between livestock management and the ecological condition of riparian habitats along an Australian floodplain river

    Jansen, A / Robertson, A.I

    Journal of applied ecology. Feb 2001. v. 38 (1)

    2001  

    Keywords livestock ; ungulates ; grazing ; rivers ; floodplains ; ecosystems ; habitats ; animal husbandry ; riparian buffers ; New York ; New South Wales ; Victoria (Australia) ; Queensland
    Language English
    Dates of publication 2001-02
    Size p. 63-75.
    Document type Article
    ZDB-ID 410405-5
    ISSN 1365-2664 ; 0021-8901
    ISSN (online) 1365-2664
    ISSN 0021-8901
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 4229: Show issues
    II a 5, 18724: Show issues

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  5. Article: Can molecular biology synthesise a vaccine to eradicate both malaria and bilharzia? If so, should a developing country like Zimbabwe become involved in their development?

    Robertson, A I

    The Central African journal of medicine

    1985  Volume 31, Issue 11, Page(s) 231–234

    MeSH term(s) Animals ; Developing Countries ; Haplorhini ; Humans ; Malaria/prevention & control ; Molecular Biology ; Papio ; Schistosomiasis/prevention & control ; Vaccines ; Zimbabwe
    Chemical Substances Vaccines
    Language English
    Publishing date 1985-11
    Publishing country Zimbabwe
    Document type Journal Article
    ZDB-ID 123798-6
    ISSN 0008-9176
    ISSN 0008-9176
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 310: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  6. Book: Agriculture and the environmental imperative

    Pratley, J. E / Robertson, A. I

    1998  

    Author's details edited by Jim Pratley and Alistar Robertson
    Keywords Agriculture/Environmental aspects ; Sustainable agriculture
    Language English
    Size xii, 263 p. :, ill. ;, 25 cm.
    Publisher CSIRO Publishing
    Publishing place Collingwood, Vic
    Document type Book
    ISBN 0643063773 ; 9780643063778
    Database NAL-Catalogue (AGRICOLA)

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  7. Article: Pushing the limits in plastic tunnels in the tropics and the need for shade

    Robertson, A.I / Jorge, M.A.B

    Acta horticulturae. 2003 Nov., no. 618

    2003  

    Keywords Manihot esculenta ; cassava ; tropics ; plastic greenhouses ; shade ; abiotic stress ; temperature ; plant stress ; Zimbabwe
    Language English
    Dates of publication 2003-11
    Size p. 407-414.
    Document type Article
    Note Paper presented at the XXVI International Horticultural Congress on Environmental Stress and Horticulture Crops held August 11-17, 2002, Toronto, Canada.
    ISSN 0567-7572
    Database NAL-Catalogue (AGRICOLA)

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  8. Article: Plant-animal interactions and the structure and function of mangrove forest ecosystems

    Robertson, A.I

    Australian journal of ecology. Dec 1991. v. 16 (4)

    1991  

    Keywords mangrove forests ; Rhizophora ; insect pests ; Decapoda ; crabs ; molluscs ; community ecology ; seed predation ; forest litter ; leaves ; herbivores ; forest ecology ; biogeochemical cycles ; detritivores
    Language English
    Dates of publication 1991-12
    Size p. 433-443.
    Document type Article
    Note Paper presented at the Biennial Symposium of the Ecological Society of Australia, on 'Ecological Interactions,' September 25-28, 1990, Parkville, Australia.
    ZDB-ID 196136-6
    ISSN 0307-692X
    ISSN 0307-692X
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 78/713: Show issues

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  9. Article: Biotechnology: its potential impact on food security in Southern Africa

    Robertson, A. I

    Household and national food security in Southern Africa : [proceedings of the 4th Annual Conference on Food Security Research in Southern Africa, October 31 - November 3, 1988] S. 185-190

    1989  

    Author's details A. Ian Robertson
    Keywords Biotechnologie ; SADC-Staaten ; Ernährungsindustrie
    Language English
    Publishing place Harare
    Document type Article
    Database ECONomics Information System

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  10. Article: A simple, reproducible substrate for studying biofilms in aquatic environments.

    Baldwin, D S / Rees, G N / Edwards, M / Robertson, A I

    Environmental technology

    2003  Volume 24, Issue 6, Page(s) 711–717

    Abstract: In this paper we present a simple in expensive substrate for studying biofilms. Bioballs are robust plastic spheres with high surface area to volume ratios (ca 130:1) used in home aquarium filters. Their properties make them ideal substrates for use in ... ...

    Abstract In this paper we present a simple in expensive substrate for studying biofilms. Bioballs are robust plastic spheres with high surface area to volume ratios (ca 130:1) used in home aquarium filters. Their properties make them ideal substrates for use in studies of aquatic biofilms. As examples, in this paper we describe the growth and enzyme activities of biofilms grown on these substrates and explore the interaction between DOC concentration and biofilm biomass. Biofilm growth and activity on the bioballs was very reproducible. For example maximum biofilm growth following approximately 3 months inundation was estimated to be 40 (+/- 3.6) mg protein and 120 (+/- 11) microg chlorophyll a per bioball.
    MeSH term(s) Biofilms ; Biomass ; Ecosystem ; Environmental Monitoring/methods ; Materials Testing ; Plastics ; Population Dynamics ; Reproducibility of Results
    Chemical Substances Plastics
    Language English
    Publishing date 2003-06
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 0959-3330
    ISSN 0959-3330
    DOI 10.1080/09593330309385607
    Database MEDical Literature Analysis and Retrieval System OnLINE

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