TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

EPINETTE BLANCHE [8 records]

Record 1 2010-03-09

English

Subject field(s)
  • Metrology and Units of Measure
  • Meteorological Forecasting, Data Measurement and Analysis
  • Plant Biology
  • Animal Biology
DEF

... measure of the growth and development of plants and insects during the growing season.

CONT

Growing Degree Days. The underlying idea is that development does not occur unless the temperature exceeds a certain minimum threshold value or base temperature. The base temperatures are determined through research and experimentation and are different for different organisms. It has been found that there are many other factors, which may influence the actual temperature the organism is experiencing or that may influence their growth and development. For instance it is possible that the organism may be experiencing a temperature a few degrees more or lesser than that recorded depending on weather it spends most of its time in the shade or under direct sunlight. Precipitation and the presence of weeds may also indirectly influence the growth and development of insects and plants. The fertility and nutrient content of the soil is directly related to the growth rate of insects and plants. In light of these many factors and some other scientific considerations a base temperature of 50 degrees Fahrenheit is considered acceptable for all plants and insects.

OBS

There are three main methods of calculating the GDD: a) Simple Method ... b) Modified Growing Degree Days ... c) Sine Wave Method ...

Key term(s)
  • growing degree-days
  • growing degree days

French

Domaine(s)
  • Unités de mesure et métrologie
  • Prévisions météorologiques et mesure et analyse des données
  • Biologie végétale
  • Biologie animale
CONT

Il faudrait en moyenne de 670 à 700 degrés-jours de croissance(DJC > 5 °C) pour que l'épinette blanche produise des graines pouvant remplir les trois quarts des cavités embryonnaires(seuil de maturation propice à la germination).

CONT

Les DJC servent à représenter la période de croissance des plantes fourragères vivaces [...] tandis que les degrés-jours de croissance effectifs (DJCE) servent plus spécifiquement à représenter la période de croissance des petites céréales du printemps [...]

Key term(s)
  • degrés-jours de croissance
  • degré jour de croissance
  • degrés jours de croissance

Spanish

Save record 1

Record 2 2008-09-19

English

Subject field(s)
  • Titles of Federal Government Programs (Canadian)
  • Silviculture
OBS

The Western Newfoundland Model Forest, encompassing 923,000 hectares of boreal forest in western Newfoundland, stretches south from the northern boundary of Gros Morne National Park and east from the Gulf of St. Lawrence. Corner Brook Pulp and Paper Limited manages most of the land in the Model Forest area. The forest's dominant tree species include balsam fir, black spruce, jack pine, trembling aspen, white birch and white spruce. The Model Forest's diverse range of projects includes biodiversity assessment, carbon stock assessment, watershed planning, water quality and wildlife.

French

Domaine(s)
  • Titres de programmes fédéraux (Gouvernement canadien)
  • Sylviculture
OBS

La Forêt modèle de l'ouest de Terre Neuve, qui couvre 923 000 hectares de forêt boréale dans l'ouest de Terre-Neuve, s’étend vers le sud depuis la frontière nord du Parc national du Canada Gros Morne, et vers l'est du Golfe du Saint Laurent. L'entreprise Corner Brook Pulp and Paper Limited aménage la majorité du territoire de la forêt modèle, qui est dominé par le sapin baumier, l'épinette noire, le pin gris, le peuplier faux tremble, le bouleau à papier et l'épinette blanche. La forêt modèle mène différents projets, notamment sur l'évaluation de la biodiversité, l'évaluation des stocks de carbone, la planification à l'échelle des bassins hydrographiques, la qualité de l'eau et la faune.

Spanish

Save record 2

Record 3 2008-02-14

English

Subject field(s)
  • Plant Diseases
CONT

Brown cubical butt rot is caused by Phaeolus (Polyporus) schweinitzii, often called the velvet-top fungus. This fungus causes extensive butt rot in infected trees. It is common in old-growth trees, particularly those with fire scars. It can also cause a tree-killing root rot in young trees. Hosts: Douglas-fir, pines, spruces, larch.

French

Domaine(s)
  • Maladies des plantes
OBS

Maladie causée par le champignon Phaeolus schweinitzii qui s’attaque à plusieurs espèces de conifères(sapin baumier, épinette blanche, épinette noire, mélèze, Douglas taxifolié).

Spanish

Save record 3

Record 4 1999-08-19

English

Subject field(s)
  • Botany
CONT

In the mixedwood forest zone, undisturbed sites consist of sugar maple, yellow birch, eastern hemlock and white pine. Boreal species such as white spruce, black spruce and balsam fir dominate in cool, damp habitats.

French

Domaine(s)
  • Botanique
CONT

Dans la zone de forêt mixte, les secteurs intacts sont peuplés d’érable à sucre, de bouleaux jaunes, de pruches de l'Est et de pins blancs. Les espèces boréales comme l'épinette blanche, l'épinette noire et le sapin baumier dominent dans les milieux humides et frais.

Spanish

Save record 4

Record 5 1997-04-18

English

Subject field(s)
  • Ecosystems
CONT

The geolittoral zone also changes from south to north, but white spruce and balsam poplar play an important role in this (white spruce forests and poplar stands), reflecting the influence of the sea.

OBS

Term used by Parks Canada.

French

Domaine(s)
  • Écosystèmes
CONT

Le géolittoral se modifie aussi du sud au nord, mais l'épinette blanche et le peuplier baumier y jouent un rôle important(pessières blanches et peupleraies), reflétant l'influence maritime.

OBS

Terme en usage à Parcs Canada.

Spanish

Save record 5

Record 6 1988-06-01

English

Subject field(s)
  • Botany
  • Silviculture

French

Domaine(s)
  • Botanique
  • Sylviculture
DEF

Épinette blanche particulièrement de l'Institut forestier national de Petawawa, dont les nouvelles aiguilles sont jaunes au printemps.

OBS

Source : Service canadien des forêts.

Spanish

Save record 6

Record 7 1986-12-04

English

Subject field(s)
  • Ecosystems
  • Biogeography
CONT

On gently sloping marshes the Puccinellietum maritimae forms a pioneer vegetation in the lower geolittoral zone, descending towards the hydrolittoral mud flats. (Abstract of O. Vevle, in Symposium on Coastal Vegetation, 1985, pp. 55-63).

OBS

"geolittoral": cf. P. Vestergaard, in Symposium on Coastal Vegetation, 1985, pp. 383-390.

French

Domaine(s)
  • Écosystèmes
  • Biogéographie
CONT

Alignement écoclimatique des formations conifériennes du géolittoral du Lac Guillaume Delisle. Le géolittoral se modifie du sud au nord, le peuplier baumier et l'épinette blanche y jouent un rôle important.

Spanish

Save record 7

Record 8 1980-08-08

English

Subject field(s)
  • Plant Diseases

French

Domaine(s)
  • Maladies des plantes
OBS

Maladie de l'épinette blanche(Picea glauca) occasionnée par Adontia bicolor("Noms français des maladies des plantes au Canada", Ministère de l'Agriculture, Québec).

Spanish

Save record 8

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