Rollover the question marks (like this one: ) for information about the data presented here.

Map legend

Populations

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

Occurence data

GBIF species occurence data


Use the selector on the right-hand side of the map to choose between species

This data is from the Global Biodiversity Information Facility (GBIF), learn more about this here.

Bromus tectorum

Common name(s): Cheatgrass

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

Traits

Growth Type : Annual
Reproductive Repetition :
Dicot/Monocot : Monocot
Angio/Gymnosperm : Angiosperm
Growth Form Raunkiaer : Therophyte
Invasive (GISD Status) : True


Population Name: Artemisia 9 matrices 2004 - 2006 USA, N America

Ecoregion : Deserts and xeric shrublands Location: 37.6012, -118.834 Altitude: 2175.0m Within site replication : 24 (480 - 896 cm sq)

Click on the sections below to view individual matrix models

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.055 0 0 0 0;0.139168965517241 0 0 0 0;0.111175862068966 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Mean of seed to plant seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.612 0.09736 0 0;0 0.203 0.81264 0 0]

    Observations: Mean of plant growth seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.04 0 0 0 0;0.135186206896552 0 0 0 0;0.172055172413793 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Seed to plant season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.664 0.01472 0 0;0 0.166 0.90528 0 0]

    Observations: Plant growth season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 5.64 12.295;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Mean of reproduction seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 6.03 16.2;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Reproduction season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.07 0 0 0 0;0.143151724137931 0 0 0 0;0.0502965517241379 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Seed to plant season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.56 0.18 0 0;0 0.24 0.72 0 0]

    Observations: Plant growth season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 5.25 8.39;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Reproduction season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • Population Name: Intershrub 9 matrices 2004 - 2006 USA, N America

    Ecoregion : Deserts and xeric shrublands Location: 37.6012, -118.834 Altitude: 2175.0m Within site replication : 24 (480 - 896 cm sq)

    Click on the sections below to view individual matrix models

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.01 0 0 0 0;0.0797310344827586 0 0 0 0;0.0830275862068966 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Mean of seed to plant seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.59605 0.3606 0 0;0 0.07895 0.4544 0 0]

    Observations: Mean of plant growth seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.02 0 0 0 0;0.0514620689655172 0 0 0 0;0.0740551724137931 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Seed to plant season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.6237 0.1958 0 0;0 0.1463 0.6942 0 0]

    Observations: Plant growth season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 5.93 13.15;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Mean of reproduction seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 6.81 14.5;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Reproduction season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0.108 0 0 0 0;0.092 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Seed to plant season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.5684 0.5254 0 0;0 0.0116 0.2146 0 0]

    Observations: Plant growth season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 5.05 11.8;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Reproduction season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • Population Name: Purshia 9 matrices 2004 - 2006 USA, N America

    Ecoregion : Deserts and xeric shrublands Location: 37.6012, -118.834 Altitude: 2175.0m Within site replication : 24 (480 - 896 cm sq)

    Click on the sections below to view individual matrix models

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.06 0 0 0 0;0.0746827586206897 0 0 0 0;0.0777310344827586 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Mean of seed to plant seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.4157 0.12665 0 0;0 0.4793 0.73335 0 0]

    Observations: Mean of plant growth seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.06 0 0 0 0;0.0579172413793104 0 0 0 0;0.0944965517241379 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Seed to plant season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.361 0.0558 0 0;0 0.589 0.8742 0 0]

    Observations: Plant growth season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 5.45 10.02;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Mean of reproduction seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 6.53 12;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Reproduction season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.06 0 0 0 0;0.091448275862069 0 0 0 0;0.0609655172413793 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Seed to plant season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.4704 0.1975 0 0;0 0.3696 0.5925 0 0]

    Observations: Plant growth season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 4.37 8.04;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Reproduction season Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • Population Name: Artemisia; Purshia; Intershrub 3 matrices 2004 - 2006 USA, N America

    Ecoregion : Deserts and xeric shrublands Location: 37.6012, -118.834 Altitude: 2175.0m Within site replication : 24 (480 - 896 cm sq)

    Click on the sections below to view individual matrix models

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0.0416666666666667 0 0 0 0;0.0978609195402299 0 0 0 0;0.0906448275862069 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Mean of all populations; Mean of seed to plant seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0.54125 0.19487 0 0;0 0.25375 0.666796666666667 0 0]

    Observations: Mean of all populations; Mean of plant growth seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • |Seed|Small adult (April)|Large adult (April)|Small adult (June)|Large adult (June)|
    [0 0 0 5.67333333333333 11.8216666666667;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0;0 0 0 0 0]

    Observations: Mean of all populations; Mean of reproduction seasons Periodicity Extra: 3 Treatment info: Competition/Facilitation/Facilitation

  • Publications:

    Griffith (2010). "None" in Ecology None, None.

    Purposes : Management Evaluation; Spatial Demography;

    Go to source

    hi