Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Picea glehnii occurs from near sea level in the north to 1,650 m a.s.l. on Hokkaido, on N Honshu in a restricted area between 1,000 m and 1,100 m a.s.l. It usually grows on rocky, north- or northwest-facing mountain slopes with podzolic soils; it has also been recorded from ultrabasic, heavy metal yielding volcanic soils. The climate is cold, moist maritime, with abundant precipitation all year, increasing sharply with elevation to more than 1,500 mm annually. It grows in pure stands, or mixed with Picea jezoensis and/or Abies sachalinensis; at lower elevations broad-leaved trees, e.g. Ulmus japonica, Tilia maximowicziana and Acer pictum become important constituents of the forest in many places. Here Taxus cuspidata mixes with the Spruces and the broad-leaved trees

Systems
  • Terrestrial
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Associations

Foodplant / saprobe
erumpent, shortly stalked apothecium of Tryblidiopsis pinastri is saprobic on dead, attached twig of Picea glehnii
Remarks: season: 5-7

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Picea glehnii

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Picea glehnii

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 4
Specimens with Barcodes: 7
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2013

Assessor/s
Katsuki, T., Farjon, A. & Luscombe, D

Reviewer/s
Thomas, P. & Christian, T.

Contributor/s

Justification
Despite extensive logging of this species in the northern part of its range (Sakhalin Island), Picea glehnii is widespread and common in Hokkaido where the largest subpopulations occur. The small subpopulation in Honshu could be susceptible to events like fire, but even the loss of this would not affect the status of the species globally. At this stage, it remains Least Concern.
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Population

Population
Despite some past reduction, the overall population trend is thought to be stable.

Population Trend
Stable
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Threats

Major Threats
Logging has had a significant impact on Sakhalin Island with most forests containing this species logged prior to 1945. These areas have also been impacted by repeated fires (Krestov et al. 2011). In Japan conversion of native forests to plantations has had a limited effect.
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Management

Conservation Actions

Conservation Actions
The small population in Honshu (ca. 200 mature trees) is in a protected area. It is also recorded from protected areas in Hokkaido. Very few protected areas currently exist on Sakhalin and it is uncertain if this species occurs within them.
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Wikipedia

Picea glehnii

Picea glehnii (Glehn's Spruce) is a species of conifer in the Pinaceae family. It is found in Japan and Russia. It was named after Estonian botanist Peter von Glehn.[1]

References[edit]

  1. ^ "Ботанические фамилии" (in Russian). Сахалин и Курилы http://www.sakhalin.ru. Retrieved 19 November 2009. 
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