Effects of fire on the vegetation of Siberian taiga predominated by <i>Larix</i><i>dahurica</i>

Uemura, Shigeru; Tsuda, Satoshi; Hasegawa, Sakae

doi:10.1139/x90-071

Cited by 19 publications

(10 citation statements)

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“…Although fire is a controlling factor for the Larix forests of the Da Xingan Ling Mts. of northeastern China (Zheng et al 1986(Zheng et al , 1990Uemura et al 1990), many mature and old-growth Larix forests can still be found. Trees in these forests die by snapping, uprooting or while standing (Ban 1994).…”

Section: Introductionmentioning

confidence: 99%

Gap regeneration of shade‐intolerant Larix gmelini in old‐growth boreal forests of northeastern China

Ban

Bergeron

et al. 1998

J Vegetation Science

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Abstract. Stand mapping and vertical and oblique tree crown projections were used to study gap characteristics and gap effects on the regeneration and stand development of Larix gmelini. The hypothesis is that waves of advance Larix regeneration are recruited into the canopy layer following the creation of canopy openings. In old‐growth Larix forests of the northern Da Xingan Ling Mts., at 52 °N, obliquely projected gaps (OPG) begin at a distance of 60 ‐ 80% of the canopy tree height from the southernmost stems bordering the gap and thus the OPGs may extend beyond the northern boundaries of the vertically projected gaps (VPG). Changes in the environment and resource availability in the OPG result in increased Larix sapling survival. Due to a greater incidence of light, 10 ‐ 30 yr old OPG saplings were more abundant than saplings in either a near‐oblique projected gap (NOPG) or in the shadow of obliquely projected crowns (SOPC). The survival of saplings more than 30‐yr old was highest when they were found in the OPG of one canopy opening and the VPG of another. This means that, following recruitment into an OPG, saplings then require the space found in a VPG to permit growth into the canopy. Thus, various‐sized gaps contribute to the survival of different aged saplings by increasing the complexity of stand structure. Although individuals may regenerate in an OPG, successful recruitment into the canopy requires the available growing space of a VPG. This research suggests that shade intolerant Larix gmelini can maintain its canopy dominance without fire via gap regeneration.

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Section: Introductionmentioning

confidence: 99%

Gap regeneration of shade‐intolerant Larix gmelini in old‐growth boreal forests of northeastern China

Ban

Bergeron

et al. 1998

J Vegetation Science

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“…This higher rate of recovery is probably due to their thick bark (Kozlowski set al 1991), which protects the cambium from fire (Kozlowski et al 1991;Uemura et al 1990). …”

Section: Resultsmentioning

confidence: 99%

“…Sprouting plays an important role in forest recovery and affects succession after fire (Viereck 1973). Many studies have examined sprouting ability with respect to species, individual size, and when the fire occurred (Kauffman 1991;Lloret et al 1999;López-Soria and Castell 1992;Masaka et al 2000;Trabaud and Lepart 1980;Uemura et al 1990). Of the various types of sprouting, root collar sprouting is a common means of regeneration after disturbance (e.g., Bellingham and Sparrow 2000;Kramer and Kozlowski 1979).…”

Section: Introductionmentioning

confidence: 99%

Recovery of canopy trees and root collar sprout growth in response to changes in the condition of the parent tree after a fire in a cool-temperate forest

Masaka

Ohno

Yamada

2004

Journal of Forest Research

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Recovery of canopy trees and root collar sprout growth in response to changes in the condition of the parent tree after a fire in a cool-temperate forest Abstract The relationship between the recovery of canopy trees after fire and root collar sprout dynamics was investigated during 1998-2000 in a secondary cool-temperate broad-leaved forest consisting of Quercus mongolica var. grosseserrata and Betula platyphylla var. japonica trees, in northern Hokkaido, Japan, which burned in April 1998. All of the Betula trees that were severely damaged, two-thirds of those slightly damaged, and half of those intact in 1998, died within three growing seasons after the fire. By contrast, half of the Quercus trees that were slightly damaged and half of those severely damaged recovered their foliage, and no slightly damaged or intact trees died during the three growing seasons after the fire. Many Betula trees developed several fruiting bodies of wood-destroying fungi on their stems, irrespective of damage severity. Fungi also infected some of the surviving Quercus, although the crowns tended to recover. Although many sprouting Betula were observed in 1998, the number of sprouts declined rapidly over the study period. Multiple regression analyses showed that the survival and growth of Betula sprouts were positively influenced by the number of sprouts in 1998, damage severity in 1998, and the degree of recover or decline during the study period, and were negatively influenced by parent tree size. On the other hand, a few sprouts of Quercus remained alive. Quercus remained dominant and the dominance of Betula was rapidly reduced after the fire. However, many Betula sprouts remained alive. Stand structure will change drastically for the time being.

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“…During the last glacial maximum, Hokkaido was largely dominated by boreal conifers including the deciduous conifer Larix (Tsukada 1983). The understory of larch forest was probably composed of many summergreen herbs, as the present vegetation of eastern Siberia where forest of the deciduous conifer Larix dahurica is the most dominant, and many summergreen herbs frequently occur in the understory (Uemura et al 1990). …”

Section: Discussionmentioning

confidence: 99%

Climatic preferences and frequent co-occurrence of boreal and temperate plants in Hokkaido Island, northern Japan

Uemura

1994

Vegetatio

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Effects of climatic factors on the forest plant distribution were examined in Hokkaido Island, northern Japan, where boreal and temperate plants frequently co-occur, and the relationship of floral make-up with phytogeography and life form was analysed. From the climatic preference of tree species consisting of mixed forest, the co-occurrence of boreal and temperate plants was found over a wider thermal range in regions of little rainfall. However, co-occurrence in a certain forest site was more notable in the understory than in the crown. A particular case of this involves southern evergreen shrubs and herbs in a boreal coniferous forest. Another is the presence of northern summergreen herbs in a temperate hardwood forest. It is speculated that the co-occurrence dates back at least to the late Quaternary, when a decrease in temperature associated with the glacial period forced understory plants to adapt their life form or leaf habit to snowcover and the light conditions of interior forests. Recent geographical evidence suggests that the island has been isolated from the southern island for at least 70 000 years. Thus, the postglacial re-expansion of southern species does not appear to be due to immigration but rather due to their expansion from refuges on the island such as Oshima Peninsula for snow-tolerant species and Hidaka District for snow-intolerant species.

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Effects of fire on the vegetation of Siberian taiga predominated by Larixdahurica

Cited by 19 publications

References 0 publications

Gap regeneration of shade‐intolerant Larix gmelini in old‐growth boreal forests of northeastern China

Gap regeneration of shade‐intolerant Larix gmelini in old‐growth boreal forests of northeastern China

Recovery of canopy trees and root collar sprout growth in response to changes in the condition of the parent tree after a fire in a cool-temperate forest

Climatic preferences and frequent co-occurrence of boreal and temperate plants in Hokkaido Island, northern Japan

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