Quercus velutina En

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Black oak Dyers' oak Quercitron oak Yellow-bark oak Yellow oak

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Géographie (78) Archéologie et Préhistoire (53) Littératures (8) Histoire, Philosophie et Sociologie des sciences (8) Etudes classiques (8) Histoire (5) Etudes de l'environnement (4) Sociologie (2) Linguistique (2) Sciences de l'information et de la communication (1) Gestion et management (1)

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154 documents
Three miles SW of Grass Valley. Panorama looking NE to E at chaparral of Arctostaphylos viscida, Quercus wislizenii, Quercus garryana breweri, Ceanothus lemmonii, Ceanothus cuneatus, Garrya fremontii, Photinia arbutifolia, Rhamnus californica tomentella, occasional ponderosa pine, black oak, Cercis occidentalis on serpentine area.
Albert Everett Wieslander (7 juil. 2023)
Cover types-Humboldt County. Douglas fir type on southwest slopes over ridge from Hoopa Reservation on road to Eureka. Note patches of woodland (Tanbark oak, black oak, Madrone, Garry oak, Canyon live oak, California laurel) that have replaced fire killed Douglas fir.
Albert Everett Wieslander (25 juin 2019)
Black oak (Quercus kelloggii) woodland type on south slope. This type replaces fire killed Douglas fir stands.
Albert Everett Wieslander (25 juin 2019)
Black oak stand on south slope. Ground cover: grass, herbs and Corylus rostrata var. californica.
Albert Everett Wieslander (25 juin 2019)
Black oak type with understory of Douglas fir which is the climax type species.
Albert Everett Wieslander (25 juin 2019)
Showing west slope woodland type (tanbark oak madone, canyon oak and black oak) restocking with Douglas fir., Understory species: Cornus nuttallii, Corylus rostrata var. californica, Rubus leucodermis, Holodiscus discolor, Ceanothus integerrimus,Rhododendron occidentale, Vaccinium ovatum, Rhus diversiloba. Orleans Mountain in background,
Albert Everett Wieslander (25 juin 2019)
Beside dirt road 3.5 miles NW of McCloud. Knobcone pine type in noncommercial area. Small stand of trees in background have diameters from 2 to 8". KP in left foreground is 21 " DBH. Soil sandy, rocky and from lava origin. Possible that in future, this area may support commercial conifers. Assoc. sp.: brush understory, Arctostaphylos patula, Ceanothus velutinus, some Prunus emarginata. Some occasional black oak.
(25 juin 2019)
Near dirt road 3.5 miles NW of McCloud. Knobcone pine type in non commercial area. Stand situated on a rocky ridge with majority of stand of south exposure. Diameters of knobcone pine range from 4" to 18" and hts. From 30 to 50". (estimates). Soil shallow and rocky of lava origins. Assoc. sp.: Scattered Arctostaphylos patula and Prunus demissa. Some black oak sprouts in area.
(25 juin 2019)
Black oak type with WYP reproduction. On road to Johnson Ranch.
Albert Everett Wieslander (25 juin 2019)
Black oak type with WYP reproduction. On road to Johnson Ranch.
Albert Everett Wieslander (25 juin 2019)
Black oak type, Stump Creek. Note Douglas fir reproduction and burned stub of relict ponderosa pine.
Albert Everett Wieslander (25 juin 2019)
Stump Creek. Black oak with scattered WYP in foreground. Douglas fir type in background.
Albert Everett Wieslander (25 juin 2019)
Yellow pine and woodland type on river. Black oak and Q. chrysolepsis.
L.M. Correll (25 juin 2019)
Subtype of rather dense Douglas fir in ponderosa pine- Douglas fir- black oak type SW of La Moine. Rhus diversiloba in understory.
H.R. Josephson (25 juin 2019)
Ponderosa pine -Douglas fir - black oak type ( Site 1) with Rhus diversiloba in foreground, showing dense stand of young black oak and Douglas fir. SW of La Moine in s.
H.R. Josephson (25 juin 2019)
Looking NE up Sacramento River and O'Brien Creek. Chaparral areas of Quercus garryana var breweri and Arctostaphylos viscida. Note ponderosa pine and black oak remnants.
Albert Everett Wieslander (25 juin 2019)
Woodland chaparral type with scattered ponderosa pine individuals. Tree at left is 19.3" DBH, 78' high and 74 years old, indicating a site index of 50+. Woodland trees of Digger pine, black oak, interior live oak and Douglas oak; chaparral of Arctostaphylos viscida, Ceanothus tomentosa, and Rhus diversiloba.
Albert Everett Wieslander (25 juin 2019)
Looking S. of W at N slope of ponderosa pine, black oak and Arctostaphylos viscida.
Albert Everett Wieslander (25 juin 2019)
Looking NW from same point as # 272856. Woodland chaparral type of digger pine, black oak, and Arctostaphylos viscida. Note scattered ponderosa pine.
Albert Everett Wieslander (25 juin 2019)
Ponderosa pine, Douglas fir, black oak type in Campbell Creek, with chaparral Arctostaphylos viscida, Quercus garryana breweri, Quercus kelloggii, Ceanothus cuneatus on S slope. 1.5 miles S of delta. Redding Quadrangle.
H.R. Josephson (25 juin 2019)
Looking SE at open chaparral type in area affected by smelter fumes. Arctostaphylos viscida, Rhus diversiloba and Ceanothus cuneatus are dominants. Type contains scattered Douglas oak and Digger pine with occasional black oak, interior live oak, Rhamnus californica and Ceanothus tomentosa.
Albert Everett Wieslander (25 juin 2019)
Looking S at N slope of scattered 2nd growth ponderosa pine. Other species black oak and Arctostaphylos viscida.
Albert Everett Wieslander (25 juin 2019)
Looking SE from same vicinity as # 272863. Chaparral type of Arctostaphylos viscida and Rhus diversiloba with scattered Douglas oak, occasional black oak and interior live oak, Photinia arbutifolia and Ceanothus tomentosa
Albert Everett Wieslander (25 juin 2019)
Black oak woodland with Rhus diversilobain foreground. Site 175.
H.R. Josephson (25 juin 2019)
Ponderosa pine, Douglas fir, black oak type near ridge top above Backbone Creek. Rather open stand with Rhus diversiloba, Ceanothus integerrimus and Quercus chrysolepis nana as understory.
H.R. Josephson (25 juin 2019)

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