Vegetation - Pine Creek, WA and Fitzhugh Creek, WA [ds484] GIS Dataset

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Place keywords North America, California, Modoc County

Theme keywords Vegetation

Theme keywords ImageryBaseMapsEarthCover, environment, biota

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Citation

Title Vegetation - Pine Creek WA and Fitzhugh Creek WA [ds484]

Publication date 2007-12-2700:00:00

Presentation formats * digital map

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Responsible party

Organization's name Vegetation Classification and Mapping Program (VegCAMP), DFW
Contact's role originator

Responsible party

Organization's name California Department of Fish and Wildlife
Individual's name VegCAMP (Vegetation Classification and Mapping Program)
Contact's position Vegetation Classification and Mapping Program Lead
Contact's role point of contact

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Resource Details

Dataset languages English(UNITED STATES)

Dataset character set utf8 - 8 bit UCS Transfer Format

Status completed

Spatial representation type * vector

Supplemental information

Rapid Assessment data were collected from 76 vegetation stands during the periods June 6-9 (Fitzhugh Creek) and June 19-23 (Pine Creek), 2006 following the California Native Plant Society's Rapid Assessment protocol (www.cnps.org). Data were entered into an Access database ("PineFitzhugh_Analysis_final.mdb" available from VegCAMP). Sample point locations are in a separate shapefile, "RA_pts." The Rapid Assessment data include the date of sampling, GPS location, environmental characteristics of the sampled stands (microtopography, substrate, soil texture, slope, aspect, ground surface characteristics, disturbance type and intensity), vegetation structure (tree, shrub and herb cover and height, total vegetation cover), species cover, site history, and the alliance and association. Additionally, four digital photos were taken in the cardinal directions from each sample location are available from VegCAMP. These Rapid Assessment data and field photos can serve as a baseline for monitoring. Species cover data were analyzed using PC-Ord software's cluster analysis. The final analysis used the Sorensen distance and flexible beta linkage method at -0.25 (McCune and Grace 2002). This cluster analysis technique was based on abundance (cover) values converted to seven different classes using the following modified Braun-Blanquet (1932) cover categories: 1=<1%, 2=1-5%, 3=>5-15%, 4=>15-25%, 5=>25-50%, 6=>50-75%, 7=>75%. The set of data collected in Pine Creek and Fitzhugh Creek WLAs was used as the principal means for defining the association composition and membership rules; however, pre-existing classifications and floras were consulted to locate analogous/similar classifications or descriptions of vegetation. Naming conventions followed the National Vegetation Classification System (Grossman et al. 1998) and the California Native Plant Society (Sawyer and Keeler-Wolf 1995). An association is defined by a group of samples that have similar dominant and characteristic species in the overstory and other important or indicator species, whereby these species are distinctive for a particular environmental setting. A set of similar associations is grouped hierarchically to the next higher level in the classification, the alliance-level. Following is a key to identify all classification vegetation types in the field. I. Stand is tree dominated. Stand has at least 3% tree cover (however, if JUOC is < 10% and Artemisia tridentata or Prunus virginiana is greater than 10% cover, then go shrub part of key). I.A. Pinus jeffreyi is the dominant tree species. IA.1. Abies concolor is at least subdominant and Juniperus occidentalis is present at low cover (Smith 1994)(FCWA0014, PCWA0017) Pinus jeffreyi - Abies concolor / Symphoricarpos rotundifolia / Poa spp. Association IA.2. Juniperus occidentalis is subdominant and Cercocarpus ledifolius occurs in the understory at over 5% cover. Pinus ponderosa may be present or up to co-dominant with Pinus jeffreyi. May be like the Pinus jeffreyi - Purshia tridentata - Cercocarpus ledifolius - Stipa occidentalis of Smith 1994, but is closer to her Pinus jeffreyi / Cercocarpus ledifolius due to constancy of Juniperus occidentalis and cover of Pinus jeffreyi Pinus jeffreyi / Cercocarpus ledifolius Association IA.3. Cornus sericea is present; Salix lucida ssp. caudata may be present. Riparian habitats Pinus jeffreyi / riparian Association I.B. Juniperus occidentalis is the dominant tree. IB.1. Pinus jeffreyi is present and generally at least 1% cover. Usually contains Purshia tridentata, and/or Prunus virginiana and may have Ribes velutinum and Symphoricarpos rotundifolius Juniperus occidentalis - Pinus jeffreyi / (Purshia tridentata) - (Prunus virginiana) Association IB.2. Artemisia arbuscula is present and Pinus jeffreyi is absent Juniperus occidentalis / Artemisia arbuscula Association II. Stand is shrub dominated. II.A. Cornus sericea is the dominant shrub. Salix lucida ssp. caudata is present Cornus sericea - Salix lucida ssp. caudata Association II.B. Salix lemmonii is the dominant shrub or co-dominates with Salix lucida ssp. caudata, and Cornus sericea is absent Salix lemmonii Association II.C. Artemisia tridentata is the dominant or co-dominant shrub. IIC.1. Artemisia arbuscula co-dominates the stand Artemisia tridentata - Artemisia arbuscula Association IIC.2. Chrysothamnus nauseosus is present and Artemisia arbuscula may be present, but is never dominant or codominant Artemisia tridentata - Chrysothamnus nauseosus Association (Ferren and Davis 1991) II.D. Artemisia arbuscula is the sole dominant shrub in the stand with at least 3% cover. IID.1. Poa secunda is generally the dominant perennial grass, and Festuca idahoensis and Pseudoroegneria spicata are generally absent. Native perennials such as Lomatium bicolor and Antennaria dimorpha may be common. Stands of this type are found on the shortest mounds Artemisia arbuscula - Poa secunda Association IID.2. Festuca idahoensis co dominates with Poa secunda and Pseudoroegneria spicata is absent. Stands of this type are found on the low to intermediate mounds Artemisia arbuscula - Festuca idahoensis Association (Stillman 1980) IID.3. Pseudoroegneria spicata and Poa secunda are present. Festuca idahoensis is generally absent. Stands of this type are typically on the tallest mounds, often with Elymus elymoides and Leymus cinereus Artemisia arbuscula - Pseudoroegneria spicata Association II.E. Prunus virginiana is the sole dominant shrub Prunus virginiana Alliance only III. Herb dominated. III.A. Stand dominated by Allium platycaule. Found on exposed basalt bedrock Allium platycaule Unique Stand III.B. Stand dominated by Solidago Canadensis. Found in moist meadows or seeps and draws Solidago canadensis Alliance Only III.C. Stand dominated by rushes and sedges. IIIC.1. Carex aquatilis is the dominant species Carex aquatilis Alliance Only IIIC.2. Carex nebrascensis is the dominant species. May support other Carex spp Carex nebrascensis Alliance Only IIIC.3. Eleocharis macrostachya is the dominant species Eleocharis macrostachya Alliance Only IIIC.4. Eleocharis pauciflora is the dominant species Eleocharis pauciflora Alliance Only IIIC.5. Juncus articulatus is the dominant species Juncus articulatus Alliance Only IIIC.6. Juncus mexicanus is the dominant species Juncus mexicanus Alliance Only IIIC.7. Juncus occidentalis is the dominant species Juncus occidentalis Alliance Only IIID. Stand dominated by grasses. IIID.1. Deschampsia danthonioides is the dominant species Deschampsia danthonioides Alliance Only Smith n=1 IIID.2. Leymus cinereus is the dominant grass species and other herbaceous species such as Poa secunda, Blepharipappus scaber, and Epilobium minutum are present Leymus cinereus - Herbaceous Association (NatureServe) IIID.3. Phleum pratense is the dominant grass species or it may co-dominate with Poa pratense. Other wetland species such as Potentilla gracilis and Sidalcea oregana are present Phleum pratense - Poa pratense - Bromus Association (NatureServe) IIID.4. Poa compressa is the dominant species Poa compressa Alliance IIID.5. Poa secunda is the dominant perennial grass species, or is co-dominant with Danthonia unispicata, and Taeniatherum caput-medusae may be dominant (especially in certain years) to absent IIID5.a. Danthonia unispicata is codominant or subdominant, without significant cover of Lomatium triternatum. Poa secunda - Danthonia unispicata Association IIID5.b. Lomatium triternatum important to dominant Poa secunda - Lomatium triternatum Association IIID5.c. Triteleia hyacinthina is a conspicuous and dominant forb. Other forbs include Zigadenus venenosus, Microseris laciniata, and Lomatium bicolor Poa secunda - Triteleia hyacinthina Association IIID5.d. Not as above. In the study area, one stand of a Poa secunda wet meadow, co dominated by Hordeum brachyantherum and Juncus mexicanus was sampled... Poa secunda Alliance only IIID.6. Taeniatherum caput-medusae is the dominant species or it may co dominate, with Poa secunda or Lomatium triternatum. Other exotic, annual grass species such as Ventenata dubia and Bromus tectorum are present Taeniatherum caput-medusae Alliance Only A mapping classification (legend) was developed based on what vegetation types were distinguishable on the NAIP imagery. Following is the crosswalk between the vegetation classification and the mapping classification: Alliance Association Code Mapping Unit 1100 Pinus jeffreyi Alliance Pinus jeffreyi PIJE - ABCO / SYRO / POA 1101 Pinus jeffreyi - Abies concolor / Symphoricarpos rotundifolius / Poa secunda Association Pinus jeffreyi PIJE / CELE 1102 Pinus jeffreyi / Cercocarpus ledifolia Association Pinus jeffreyi PIJE / riparian 1103 Pinus jeffreyi / riparian Association 1200 Juniperus occidentalis Alliance Juniperus occidentalis JUOC - ARAR 1201 Juniperus occidentalis - Artemisia arbuscula Association Juniperus occidentalis JUOC - PIJE / (PUTR) - (PRVI) 1202 Juniperus occidentalis - Pinus jeffreyi / (Purshia tridentata) - (Prunus virginiana) Association 2100 Artemisia arbuscula Alliance Artemisia arbuscula ARAR / FEID 2101 Artemisia arbuscula / Perennial Native Grasses MU Artemisia arbuscula ARAR / POSE 2101 Artemisia arbuscula / Perennial Native Grasses MU Artemisia arbuscula ARAR / PSSP 2101 Artemisia arbuscula / Perennial Native Grasses MU 2200 Artemisia tridentata Alliance Artemisia tridentata ARTR - ARAR 2201 Artemisia tridentata - Artemisia arbuscula Association Artemisia tridentata ARTR - CHNA 2202 Artemisia tridentata (disturbed) MU Cornus sericea COSE - SALUC 2300 Riparian shrub MU Salix lemmonii SALE - alliance only 2300 Riparian Shrub MU Prunus virginiana PRVI - alliance only 2400 Prunus virginiana Alliance Chrysothamnus nauseosus 2500 Chrysothamnus nauseosus Alliance 3100 Poa secunda Alliance Poa secunda POSE - DAUN 3101 Poa secunda - Danthonia unispicata Association Taeniatherum caput-medusae TACA - alliance only 3200 Taeniatherum caput-medusae Alliance 3300 Meadow (unclassified) MU Leymus cinereus LECI - Herbaceous 3301 Dry meadow MU Solidago canadensis SOCA - alliance only 3301 Dry meadow MU Deschampsia danthonioides DEDA - alliance only 3302 Mesic meadow MU Juncus mexicanus JUME - alliance only 3302 Mesic meadow MU Juncus occidentalis JUOC2 - alliance only 3302 Mesic meadow MU Phleum pratense PHPR - POPR - Bromus 3302 Mesic meadow MU Poa compressa POCO - alliance only 3302 Mesic meadow MU Poa secunda POSE-TRHY 3302 Mesic meadow MU Poa secunda POSE - alliance only 3302 Mesic meadow MU Carex aquatilis CAAQ - alliance only 3303 Wet meadow MU Carex nebrascensis CANE - alliance only 3303 Wet meadow MU Eleocharis macrostachya ELMA - alliance only 3303 Wet meadow MU Eleocharis pauciflora ELPA - alliance only 3303 Wet meadow MU Juncus articulatus Juncus articulatus - alliance only 3303 Wet meadow MU Allium platycaule unique stand 3400 Allium platycaule MU 3500 Ruderal herbaceous MU 9100 Water 9200 Rock Outcrop (undifferentiated) MU Field staff included Pete Figura, Kari Lewis, Teresa LeBlanc, Todd Keeler-Wolf, Rachelle Boul and Diana Hickson (Fitzhugh Creek) and Diana Hickson and Rachelle Boul (Pine Creek). Mapping and attribution was completed by Rachelle Boul and quality-checked by Diana Hickson. Almost all polygons were field checked and corrected in June 2007 by Todd Keeler-Wolf, Rachelle Boul, and Diana Hickson. A complete report is available at: http://www.nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=24566

* Processing environment Microsoft Windows 10 Version 10.0 (Build 19044) ; Esri ArcGIS 12.9.4.32739

Credits

Vegetation Classification and Mapping Program (VegCAMP), Department of Fish and Wildlife.

ArcGIS item properties

* Name ds484
* Location file://\\geodata.\\BIOSOnline\Refresh\TODOData\BIOSOnlineData.gdb

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* West longitude -37563.904300
* East longitude -29649.187000
* South latitude 369235.162400
* North latitude 380827.348500
* Extent contains the resource Yes

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Individual's name Diana Hickson
Organization's name California Department of Fish and Wildlife
Contact's position Senior Botanist, Vegetation Classification and Mapping Program
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Organization's name California Department of Fish and Wildlife
Individual's name VegCAMP (Vegetation Classification and Mapping Program)
Contact's position Vegetation Classification and Mapping Program Lead
Contact's role point of contact

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* Type Projected
* Geographic coordinate reference GCS_North_American_1983
* Projection NAD_1983_California_Teale_Albers
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* Value 3310
* Codespace EPSG
* Version 6.8(9.2.0)

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Feature class name ds484

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Date 2020-09-2310:35:43
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Date 2022-12-1510:23:16
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Date 2022-12-1510:23:30
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