78/1996 Sb.
DECREE
The Ministry of agriculture
of 18 May. March 1996
on the determination of the zone of forests under the influence of air pollution
The Ministry of agriculture determined according to § 10 para. 1 of law no 289/1995
Coll., on forests, and amending and supplementing certain laws (forest law):
§ 1
Characterization of zone
(1) the territory with similar dynamics of deterioration of forest
characterized by a degree of damage to these crops crops of the emission of the
added to the threat of forest zone (hereinafter referred to as "band
the threat ").
(2) the degree of damage to the forest cover is determined by the proportion of medium and strong
damaged trees from the total number of trees in the forest.
The characteristics of the degree of damage to the tree and vegetation of spruce are listed in
the annex to this Decree.
(3) according to the dynamics of deterioration of the health status of forests are to be classified in
These zone:
and into the threat and) will be added to woodland with growths with a significant
value load, where damage to an adult mature spruce stand will increase the
an average of about 1 degree within five years,
(b)) into the threat (B) will be added to forest land with vegetation with a significant
values in more favourable conditions, where damage to an adult
mature spruce stand will increase an average of about 1 degree over the six to ten
years of age,
(c)) into the threat to (C) shall be classified forest land with forests with values
loads, where damage to an adult mature spruce stand will increase an average of
about 1 degree in 11 to 15 years,
(d) the danger zone (D)) shall be classified forest land with crops of a lower
value load, where damage to an adult mature spruce stand will increase the
an average of about 1 degree over the 16 to 20 years. In this zone will include
such forest land with forests, where the impact of air pollution, but the dynamics of the
the deterioration of the health status of the forest stands so far cannot be exactly
define.
(4) in areas where within a radius of 2 km there are spruce forests,
These forests are classed in the zone according to the speed the breakup of adults
Pine stands or deciduous stands, whereby:
and into the threat and) will be added to forest land with forests, where in the
adult pine or deciduous stands a year dies more than 20%
the original number of trees,
(b)) into the threat (B) will be added to forest land with forests, where in the
adult pine stands a year die 10 to 20% of the original number of
trees; in adults, the deciduous stands a year die 5 to 20%
the original number of trees,
(c)) into the threat to (C) shall be classified forest land with forests, where in the
adult pine stands a year die from 2 to 10% of the original number of
trees; in adults, the deciduous stands a year die 2 to 5% of the trees,
(d) the danger zone (D)) shall be classified forest land with forests, where in the
adult pine or deciduous stands a year dies in 2%
the original number of trees.
The adult forest crop is after their education.
(5) the highest zones risk (section 10, paragraph 2, of the forest law) are zone
And (B).
§ 2
Determination of zone
(1) are drawn to the danger Zone forestry maps in a contiguous
view.
(2) Forestry maps, mapping zone are publicly available from
on January 1, 1997 at the district offices.
Transitional and final provisions
§ 3
In the period up to 31 December 2006. December 1996 shall apply zone threat referred to in
valid forest management plans. ^ 1)
§ 4
This Decree shall take effect on the date of publication.
Minister:
Ing. Lux in r.
XIII.
The degree of damage to one of the tree (spruce)
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The degree of damage to Defoliation damage Description
one of the tree crown in%
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0 Undamaged tree 0
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1 Slightly damaged tree 1-25
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2 medium damaged tree 26-50
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3 Heavily damaged tree 51-75
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4 the dying tree 76-100
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5 Dead Tree 100
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The degree of damage to the crop species (spruce)
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The degree of the degree of damage to one of the tree
poškození -------------------------------
crop damage 0 1 2 and 3 of the Description and
more more
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The maximum proportion of the total
the number of trees in a forest stand in%
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the intact vegetation 100 0 0 0 0
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0/1 with the first symptoms of damage to the crop 99 20 0 0
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1
Even Slightly damaged vegetation 32 or 5
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1
(II) the Medium damaged vegetation or 84 30
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IIIA is damaged to stand 50
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IIIB very strongly damaged the crop 70
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(IV) the dying or dead vegetation 100
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1-for inclusion in the degree of damage it is sufficient to achieve one of the following values.
1) section 59 paragraph 1. 1 of the law No. 289/1995 Coll., on forests, and amending and supplementing
Some laws (forest law).
