H.A. Jensen

Discipline

Géographie (54) Histoire, Philosophie et Sociologie des sciences (40) Littératures (39) Etudes classiques (39) Archéologie et Préhistoire (28) Gestion et management (20) Etudes de l'environnement (10) Linguistique (8) Sociologie (7) Histoire (7) Economies et finances (6) Sciences de l'information et de la communication (5) Education (5) Anthropologie sociale et ethnologie (2) Anthropologie biologique (1)

Type de document

Textes imprimés (197)

Date

Source

Berkeley Library Digital Collections (197)

Mot-clé

Ponderosa pine (46) département (UK) (42) Growth (40) Growth (40) crique (33) Ceanothus (31) espèce (29) Species (29) Blue oak (28) Lodgepole pine (26) jeune (24) Oak (24) gorge (23) Arctostaphylos (23) Pinus sabiniana (22) Chaparral (22) Pine (20) Whiteleaf manzanita (19) Yuba (18) Mountain hemlock (17) montagne (16) pré (16) pente (15) Springs (15) Head (15) colline (14) index (13) Adenostoma (13) répertoire (13) vallée (12)

Documents écrit par H.A. Jensen (197) | parle de H.A. Jensen (1)

1 mi. E of Bushy Mt. Open old growth - young growth stand of blue oak. Assoc. spp.: Quercus wislizenii, Pinus sabiniana, Ceanothus cuneatus. Nevada Co.

H.A. Jensen (7 juil. 2023)

1 1/2 mi. SE of Bushy Mt. Open stand of young growth - old growth blue oak. Assoc. sp.: interior live oak. Nevada Co.

H.A. Jensen (6 juil. 2023)

2 1/2 mi. E of Indian Springs Hill. Hardwood - Digger pine belt (blue oak, Digger pine). Assoc. spp.: interior live oak, Arctostaphylos viscida, Ceanothus cuneatus. Nevada Co.

H.A. Jensen (6 juil. 2023)

1/2 mi. NE of Bushy Mt. Open stand of young growth - old growth blue oak. Assoc. spp.: Pinus sabiniana, Ceanothus cuneatus, Quercus wislizenii frutescens. Nevada Co.

H.A. Jensen (6 juil. 2023)

1 mi. SW of Pine Hill. Open stand of young growth - old growth blue oak. Nevada Co.

H.A. Jensen (6 juil. 2023)

1/2 mi. W of Pine Hill. Open stand of young growth - old growth blue oak. Assoc. sp.: Digger pine. Nevada Co.

H.A. Jensen (6 juil. 2023)

1/2 mi. SE of Sicard Flat. Semidense tree-shrub stand of blue oak, interior live oak, Digger pine, Photinia arbutifolia, and Ceanothus cuneatus. Yuba Co.

H.A. Jensen (6 juil. 2023)

2 1/2 mi. SW of Bangor. Very open stand of blue oak. Butte Co.

H.A. Jensen (6 juil. 2023)

1 mi. NW of Bangor. Open stand of old growth - young growth blue oak. Butte Co.

H.A. Jensen (6 juil. 2023)

1 mi. NW of Bangor. Open stand of old growth - young growth blue oak. Butte Co.

H.A. Jensen (6 juil. 2023)

1 1/4 miles SE of Browns Valley. Hardwood trees below the size distinguishable as trees on the aerial photos (blue oaks). Yuba Co.

H.A. Jensen (6 juil. 2023)

1 mile W of Sicard Flat. Typical immature (2) hardwood trees. Blue oak - Digger pine type. Yuba Co.

H.A. Jensen (6 juil. 2023)

1 1/2 miles W of Sicard Flat. Open young growth stand of blue oak. Yuba Co.

H.A. Jensen (6 juil. 2023)

1 mile W of Sicard Flat. Open stand of blue oak and Digger pine. Assoc. sp.: Ceanothus cuneatus. Yuba Co.

H.A. Jensen (6 juil. 2023)

The mountain community of Challenge. Yuba Co.

H.A. Jensen (6 juil. 2023)

Mountain hemlock-Douglas fir-White fir type (interior view) on NE side of South Fork Mt., 2 miles N of Forest Glen- Mad River road. Site index 175. Douglas fir in foreground 165 ft. in height, 72 inches D. B. H. Associated species: Castanopsis chrysophylla, Pteris aquilina lanuginosa, Berberis nervosa.

H.A. Jensen (25 juin 2019)

Looking across Lake Helen at Mount Lassen. Pure mountain stand surrounding lake. Scrubby growth on higher slopes in Whitebark pine.

H.A. Jensen (25 juin 2019)

Semibarren red fir type. Looking across Little Hot Springs Valley from Lassen Loop Highway.

H.A. Jensen (25 juin 2019)

Mountain hemlock growing in the clump formation typical of open stand.

H.A. Jensen (25 juin 2019)

Mountain hemlock- Whitebark pine type. Ground cover of Juncus spp. Mt. Lassen in background.

H.A. Jensen (25 juin 2019)

Mountain hemlock varying from a dense stand of well- formed trees in the foreground to an open, scrubby stand on the ridge.

H.A. Jensen (25 juin 2019)

Upper Kings Creek Meadow- Sx type. Red fir in background.

H.A. Jensen (25 juin 2019)

1.5 miles S. of Sunset Peak. Mature (#3) ponderosa pine. Butte Co.

H.A. Jensen (25 juin 2019)

1.5 miles S. of Sunset Hill. Mature (#5) ponderosa pine. Butte Co.

H.A. Jensen (25 juin 2019)

Former Sugar pine- Douglas fir- White fir stand on Mooreville Ridge burned over in Lost Creek Fire of 1931. Site index 175. Complete kill of all vegetation. To date only a very scattered growth of Pteris aquilina lanuginosa, Ceanothus integerrimus, Ribes roezlii is coming back. Best sugar pines now.

H.A. Jensen (25 juin 2019)