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Each marker represents a population that was studied. Different colours ( ) represents data from different sources.

Occurence data

GBIF species occurence data


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Heteropogon contortus

Taxonomy: Life > Plantae > Magnoliophyta > Liliopsida > Poales > Poaceae      Authority : None      TPL version : None

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Traits

Growth Type : Herbaceous perennial
Reproductive Repetition :
Dicot/Monocot : Monocot
Angio/Gymnosperm : Angiosperm
Growth Form Raunkiaer : Hemicryptophyte
Invasive (GISD Status) : True


Population Name: Thlavekisa 10 matrices 1984 - 1989 ZAF, Africa

Ecoregion : Tropical and subtropical grasslands, savannas and shrublands Location: -24.6333, 31.4 Altitude: 689.0m Within site replication : 0.81 ha; 0.64 ha

Click on the sections below to view individual matrix models

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.57 0.68 0.84 2.57;0.13 0.56 0.09 0.21;0 0.16 0.69 0.14;0 0 0.13 0.64]

    Observations: Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.6425 0.62 0.92 1.69;0.1125 0.455 0.1175 0.145;0.005 0.14 0.35 0.16;0 0 0.1725 0.5]

    Observations: Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.61 0.1 0.07 0.21;0.2 0.67 0.17 0.14;0 0.2 0.74 0.18;0 0 0.13 0.63]

    Observations: Lightly grazed Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.7075 0.475 0.74 1.05;0.125 0.3625 0.2 0.145;0.0125 0.27 0.435 0.1475;0 0.04 0.175 0.5425]

    Observations: Lightly grazed Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.76 0.6 0.76 1.05;0.14 0.63 0.14 0.17;0.01 0.14 0.51 0.17;0 0 0.16 0.67]

    Observations: Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.8 0.6 0.38 0.69;0.1 0.26 0.25 0.15;0.05 0.38 0.4 0.06;0 0 0.3 0.76]

    Observations: Lightly grazed Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.74 0.35 0.6 2.21;0.15 0.54 0.24 0.06;0.01 0.23 0.2 0.19;0 0 0.4 0.69]

    Observations: Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.58 0.45 0.79 1.52;0.15 0.23 0.1 0.11;0 0.5 0.43 0.17;0 0.16 0.27 0.69]

    Observations: Lightly grazed Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.5 0.85 1.48 0.93;0.03 0.09 0 0.14;0 0.03 0 0.14;0 0 0 0]

    Observations: Periodicity Extra: 1 Treatment info: Grazing

  • |Tuft circumference 1-8 cm|Tuft circumference 9-14 cm|Tuft circumference 15-21 cm|Tuft circumference > 21 cm|
    [0.84 0.75 1.72 1.78;0.05 0.29 0.28 0.18;0 0 0.17 0.18;0 0 0 0.09]

    Observations: Lightly grazed Periodicity Extra: 1 Treatment info: Grazing

  • Publications:

    O'Connor (1993). "None" in J Appl Ecol None, None.

    Purposes : Abiotic Impacts;

    Additional sources: O'Connor and Pickett J Appl Ecol 1992 (find paper); "O'Connor TG 1994 Composition and population responses of an African savanna grassland to rainfall and grazing. J Applied Ecology 31; 155-171

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