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  1. Book ; Conference proceedings: Tolmetin

    Ward, John Robert

    a new non-steroidal anti-inflammatory agent ; proceedings of a symposium, Washington, D.C., 1975

    (International congress series ; Nr 372)

    1975  

    Author's details ed.: John R[obert] Ward
    Series title International congress series ; Nr 372
    Collection
    Language English
    Size 213 S. ; 8-o
    Publisher Excerpta medica u.a.
    Publishing place Amsterdam
    Publishing country Netherlands
    Document type Book ; Conference proceedings
    HBZ-ID HT010528278
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    Ua VI Zs 294/a -372- verfügbar in Königswinter Königswinter

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  2. Article ; Online: Pollinator-mediated selection on floral morphology: evidence for transgressive evolution in a derived hybrid lineage.

    Anton, K A / Ward, J R / Cruzan, M B

    Journal of evolutionary biology

    2013  Volume 26, Issue 3, Page(s) 660–673

    Abstract: Hybridization between closely related lineages is a mechanism that might promote substantive changes in phenotypic traits of descendants, resulting in transgressive evolution. Interbreeding between divergent but morphologically similar lineages can ... ...

    Abstract Hybridization between closely related lineages is a mechanism that might promote substantive changes in phenotypic traits of descendants, resulting in transgressive evolution. Interbreeding between divergent but morphologically similar lineages can produce exceptional phenotypes, but the potential for transgressive variation to facilitate long-term trait changes in derived hybrid lineages has received little attention. We compare pollinator-mediated selection on transgressive floral traits in both early-generation and derived hybrid lineages of the Piriqueta cistoides ssp. caroliniana complex. The bowl-shaped flowers of morphotypes in this complex have similar gross morphologies and attract a common suite of small insect pollinators. However, they are defined by significant differences in characters that generate pollinator interest and visitation, including floral area and petal separation. In common garden experiments, patterns of pollen deposition in early-generation recombinant hybrids indicate that Piriqueta's pollinators favour flowers with greater area and reduced petal separation. Changes in floral morphology in derived hybrid lineages are consistent with predictions from selection gradients, but the magnitude of change is limited relative to the range of transgressive variation. These results suggest that hybridization provides variation for evolution of divergent floral traits. However, the potential for extreme transgressive variants to contribute to phenotypic shifts may be limited due to reduced heritability, evolutionary constraints or fitness trade-offs.
    MeSH term(s) Animals ; Biological Evolution ; Crosses, Genetic ; Flowers/anatomy & histology ; Flowers/genetics ; Flowers/physiology ; Genotype ; Herbivory ; Hybridization, Genetic ; Insecta/physiology ; Passifloraceae/anatomy & histology ; Passifloraceae/genetics ; Passifloraceae/physiology ; Phenotype ; Pollination/physiology ; Selection, Genetic ; Time Factors
    Language English
    Publishing date 2013-03
    Publishing country Switzerland
    Document type Comparative Study ; Journal Article
    ZDB-ID 1465318-7
    ISSN 1420-9101 ; 1010-061X
    ISSN (online) 1420-9101
    ISSN 1010-061X
    DOI 10.1111/jeb.12083
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: RISK-SENSITIVE ANTIPREDATOR BEHAVIOR IN THE TRINIDADIAN GUPPY, POECILIA RETICULATA.

    Botham, M S / Hayward, R K / Morrell, L J / Croft, D P / Ward, J R / Ramnarine, I / Krause, J

    Ecology

    2019  Volume 89, Issue 11, Page(s) 3174–3185

    Abstract: The comparative approach has become a powerful tool for understanding how predation has shaped prey behavior. In this study we recorded the occurrence of common aquatic predator species and their densities in seven natural populations of Trinidadian ... ...

    Abstract The comparative approach has become a powerful tool for understanding how predation has shaped prey behavior. In this study we recorded the occurrence of common aquatic predator species and their densities in seven natural populations of Trinidadian guppies, Poecilia reticulata. We then exposed shoals of guppies from each of these populations to a series of predator treatments. Predator treatments differed in the species of predator used (pike cichlids, Crenicichla frenata; rivulus, Rivulus hartii; and freshwater prawns, Macrobrachium carcinus) and thus in the level of risk posed. We recorded the antipredator responses of guppies in each of these predator treatments. The strength of antipredator behavior shown by guppies was affected by both the type of predator they were exposed to and the level of predation risk they experienced naturally in the wild. Importantly, we found that guppies from high-risk populations showed a heightened response, compared to those from lower risk populations, only when exposed to the predator species that posed the greatest risk. Our results show the importance of individual predator species in shaping the behavioral traits of prey species at the population level. This has implications for prey movement between habitats that are geographically close but differ greatly in predator fauna.
    Language English
    Publishing date 2019-07-25
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2010140-5
    ISSN 1939-9170 ; 0012-9658
    ISSN (online) 1939-9170
    ISSN 0012-9658
    DOI 10.1890/07-0490.1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Changes in blood chemistry in rats following electrically-induced seizures.

    WARD, J R / CALL, L S

    Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)

    2007  Volume 70, Issue 3, Page(s) 381

    MeSH term(s) Animals ; Blood/chemistry ; Blood Chemical Analysis ; Electricity ; Rats ; Seizures
    Language English
    Publishing date 2007-12-20
    Publishing country United States
    Document type Journal Article
    ZDB-ID 4015-0
    ISSN 1535-3699 ; 1525-1373 ; 0037-9727
    ISSN (online) 1535-3699 ; 1525-1373
    ISSN 0037-9727
    DOI 10.3181/00379727-70-16932
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Ua VI Zs.111: Show issues Location:
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  5. Article: Modelling and mapping agricultural opportunity costs to guide landscape planning for natural resource management

    Bryan, B.A / King, D / Ward, J.R

    Ecological indicators. 2011 Jan., v. 11, no. 1

    2011  

    Abstract: On-farm actions to better manage natural resources often involve an opportunity cost associated with foregone agricultural production. Spatial information on agricultural opportunity costs is a key indicator that has been demonstrated to increase the ... ...

    Abstract On-farm actions to better manage natural resources often involve an opportunity cost associated with foregone agricultural production. Spatial information on agricultural opportunity costs is a key indicator that has been demonstrated to increase the cost-effectiveness of environmental investment through spatial targeting. In this paper we develop a method for calculating expected profit as a more robust spatial measure of economic rent accruing from agricultural land and indicator of opportunity cost for use in landscape and planning for natural resource management. We apply this method to the Lower Murray region in southern Australia. Agricultural profit is calculated for three farming system phases (cereals, legumes, and grazing) by census zones based on agricultural statistics and cost of production information within a GIS environment. Zonal profit layers are smoothed using pycnophylactic (mass preserving) interpolation. Farming system rotations are quantified as a set of continuous spatial probability layers for each phase using a moving window kernel density technique based on existing land use data and these probability layers are used in a weighted allocation of expected profit across the landscape. The expected profit layer provides a high spatial resolution description of opportunity costs associated with natural resource management over the Lower Murray region suitable for input into systematic landscape planning analyses. Validation of the opportunity cost layer by field survey identified both random and systematic error. Interpretation of systematic error highlighted the need to augment pycnophylactic interpolation techniques with consideration of covariates of profit such as rainfall for better estimation in areas with high profit gradients.
    Keywords agricultural land ; agricultural statistics ; cost effectiveness ; farming systems ; grains ; grazing ; land use ; landscapes ; legumes ; model validation ; models ; opportunity costs ; planning ; probability ; production costs ; profits and margins ; rain ; surveys ; Australia
    Language English
    Dates of publication 2011-01
    Size p. 199-208.
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2036774-0
    ISSN 1470-160X
    ISSN 1470-160X
    DOI 10.1016/j.ecolind.2009.02.005
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 7436: Show issues

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  6. Article: Production of L phase variants of bacteria with cycloserine.

    WARD, J R / MARTIN, C H

    Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)

    2003  Volume 111, Page(s) 156–160

    MeSH term(s) Bacillus megaterium ; Corynebacterium diphtheriae ; Cycloserine ; Haemophilus influenzae ; Micrococcus ; Penicillin G ; Proteus ; Pseudomonas aeruginosa ; Salmonella ; Sarcina ; Staphylococcus ; Streptococcus
    Chemical Substances Cycloserine (95IK5KI84Z) ; Penicillin G (Q42T66VG0C)
    Language English
    Publishing date 2003-09-17
    Publishing country United States
    Document type Journal Article
    ZDB-ID 4015-0
    ISSN 1535-3699 ; 1525-1373 ; 0037-9727
    ISSN (online) 1535-3699 ; 1525-1373
    ISSN 0037-9727
    DOI 10.3181/00379727-111-27733
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Ua VI Zs.111: Show issues Location:
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  7. Article: L PHASE VARIANTS RELATED TO ANTIBIOTIC INHIBITION OF CELL WALL BIOSYNTHESIS.

    KRAWITT, E L / WARD, J R

    Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)

    2003  Volume 114, Page(s) 629–631

    MeSH term(s) Anti-Bacterial Agents ; Antimetabolites ; Bacitracin ; Cell Biology ; Cell Wall ; Cycloserine ; Gentian Violet ; Novobiocin ; Penicillins ; Pharmacology ; Proteus ; Pseudomonas aeruginosa ; Research ; Staphylococcus ; Vancomycin
    Chemical Substances Anti-Bacterial Agents ; Antimetabolites ; Penicillins ; Bacitracin (1405-87-4) ; Novobiocin (17EC19951N) ; Vancomycin (6Q205EH1VU) ; Cycloserine (95IK5KI84Z) ; Gentian Violet (J4Z741D6O5)
    Language English
    Publishing date 2003-09-17
    Publishing country United States
    Document type Journal Article
    ZDB-ID 4015-0
    ISSN 1535-3699 ; 1525-1373 ; 0037-9727
    ISSN (online) 1535-3699 ; 1525-1373
    ISSN 0037-9727
    DOI 10.3181/00379727-114-28753
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Ua VI Zs.111: Show issues Location:
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  8. Article: Primary herpes simplex virus infection of the fingers.

    WARD, J R / CLARK, L

    JAMA

    2003  Volume 176, Page(s) 226–228

    MeSH term(s) Disease ; Fingers ; Herpes Simplex ; Herpesviridae Infections ; Humans ; Medical Records ; Simplexvirus
    Language English
    Publishing date 2003-04-21
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 2958-0
    ISSN 1538-3598 ; 0098-7484 ; 0254-9077 ; 0002-9955
    ISSN (online) 1538-3598
    ISSN 0098-7484 ; 0254-9077 ; 0002-9955
    DOI 10.1001/jama.1961.63040160010013a
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Ua VI Zs.88: Show issues Location:
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  9. Article: Intestinal lipodystrophy (Whipple's disease) treated with ACTH and corticosteroids.

    HUNTER, R C / WARD, J R

    The American journal of digestive diseases

    2003  Volume 2, Issue 7, Page(s) 388–394

    MeSH term(s) Adrenal Cortex Hormones ; Adrenocorticotropic Hormone/therapeutic use ; Cardiovascular Agents ; Cortisone/therapeutic use ; Glucocorticoids ; Humans ; Lipodystrophy/therapy ; Prednisone/therapeutic use ; Whipple Disease
    Chemical Substances Adrenal Cortex Hormones ; Cardiovascular Agents ; Glucocorticoids ; Adrenocorticotropic Hormone (9002-60-2) ; Cortisone (V27W9254FZ) ; Prednisone (VB0R961HZT)
    Language English
    Publishing date 2003-08-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 80027-2
    ISSN 0002-9211 ; 0092-5640
    ISSN 0002-9211 ; 0092-5640
    DOI 10.1007/bf02231352
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Modelling and mapping agricultural opportunity costs to guide landscape planning for natural resource management

    Bryan, B. A. / King, D. / Ward, J. R.

    Ecological indicators

    2011  Volume 11, Issue 1, Page(s) 199

    Language English
    Document type Article
    ZDB-ID 2036774-0
    ISSN 1470-160x
    Database Current Contents Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

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