Seed reproduction traits of alpine plants depend on soil enrichment

被引：0
|
作者：
Lavrenov, N. G. [1 ]
Zauzanova, L. D. [2 ]
Onipchenko, V. G. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Moscow 119991, Russia
[2] Karachay Cherkessia State Univ, Karachaevsk 369202, Russia
来源：
RUSSIAN JOURNAL OF ECOLOGY | 2017年 / 48卷 / 06期
基金：
俄罗斯科学基金会;
关键词：
alpine vegetation; soil enrichment; seed productivity; seed reproduction; PHOSPHORUS AVAILABILITY; NUTRIENT CONCENTRATIONS; NEIGHBOR REMOVAL; COMMUNITY; LIMITATION; NITROGEN; FERTILIZATION; BIOMASS; ALLOCATION; RESPONSES;
D O I：
10.1134/S1067413617060054
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
Changes in parameters of seed reproduction in response to 15-year application of mineral nutrients in different variants (N, P, NP, Ca) and irrigation (variant De(2)D) were studied in 12 alpine plant species from four communities of the Northwestern Caucasus. No increase in seed production, compared to control, was revealed in any of the species. The number of generative shoots was found to decrease in the majority of species, increasing only in Leontodon hispidus in D and in Festuca varia in NP treatment. Seed harvest increased significantly in four species-Festuca varia (Ca, P, N, NP treatments), Leontodon hispidus (H2O, Ca, P), Geranium gymnocaulon (Ca, P, NP), and Sibbaldia procumbens (P)-and decreased in seven species.
引用
收藏
页码：545 / 550
页数：6
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