Vestnik of Volga State University of Technology. Ser.: Forest. Ecology. Nature Management最新文献

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Mountain Pine Seed Production in Mari El Republic 马里埃尔共和国的山松种子生产
Yuliya V. Granitsa, A. Mamaev
{"title":"Mountain Pine Seed Production in Mari El Republic","authors":"Yuliya V. Granitsa, A. Mamaev","doi":"10.15350/2306-2827.2018.2.84","DOIUrl":"https://doi.org/10.15350/2306-2827.2018.2.84","url":null,"abstract":"","PeriodicalId":142149,"journal":{"name":"Vestnik of Volga State University of Technology. Ser.: Forest. Ecology. Nature Management","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121557675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Growth of Spruce of Advance Regeneration after Birch Groves Felling in the Subzone of Southern Taiga of Russian Plain 俄罗斯平原南针叶林分区桦林采伐后提前更新云杉生长
A. Derugin, Yu.B. Glazunov
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引用次数: 0
60-year Dynamics of the Upland Stands of Quercus Robur in the Southern Forest-Steppe in Connection with Thinning and Mass Decline 南方森林草原栎林地林分60年动态与间伐和质量下降的关系
Y. Istomina, N. Kaplina
{"title":"60-year Dynamics of the Upland Stands of Quercus Robur in the Southern Forest-Steppe in Connection with Thinning and Mass Decline","authors":"Y. Istomina, N. Kaplina","doi":"10.15350/2306-2827.2018.2.41","DOIUrl":"https://doi.org/10.15350/2306-2827.2018.2.41","url":null,"abstract":"Introduction. Current state of oak forests requires an assessment of risks of reduce of their productivity and mass decline and enhancing the sustainability in forestry practice. The aim of the paper is to analyze the influence of thinning and mass decline of oak on stability and productivity of the overstory stands. Three periods in dynamics of upland oak forests of natural origin were studied: thinnings (20 years), mass oak decline (10 years), and restoration (30 years). Results. During the first period, three modes of thinning were performed. In the first mode, both absolute and relative values of average-period increments and stock changes were offered, in the second mode – only relative ones, in the third mode – only relative increment tightly correlated with thinning intensities (r > 0.9). In the period of mass oak decline (1976-1985), the ranging of stands by their productivity was violated. The relative increment nega-tively depended on intensity of the dying off in 1976-1979. The increment of forest stands did not practi-cally decrease (in contrast to that of oak) for the expense of associate species. The share of oak in the dying off in the overstory was 90%","PeriodicalId":142149,"journal":{"name":"Vestnik of Volga State University of Technology. Ser.: Forest. Ecology. Nature Management","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133479986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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