Ground vegetation composition and diversity in drained Norway spruce (Picea abies (L.) Karst.) stands 50 years after whole-tree harvesting management: case study in Latvia

Q4 Agricultural and Biological Sciences Forestry Studies Pub Date : 2018-12-01 DOI:10.2478/fsmu-2018-0010

Roberts Čakšs, Linda Robalte, I. Desaine, B. Džeriņa, Ā. Jansons

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引用次数: 3

Abstract

Abstract The long-term (50 years) effect of whole-tree harvesting (stump harvesting) on ground vegetation in experimental drained Norway spruce (Picea abies (L.) Karst.) stands was studied. We used a chronosequence approach to assess the long-term impact of whole-tree harvesting (WTH) on stands’ ground vegetation. WTH stands were compared with four control stands with different age and with the same forest type: young stand (15 years), middle-aged stand (45 years), mature stand (110 years) and over-mature stand (140 years). Species richness was similar between the WTH stand and middle-aged stand (61 and 60 species, respectively). Shannon-Wiener diversity indices in the WTH and middle-aged stand (3.40 and 3.19, respectively) indicated that the stands were similar to each other. A community similarity analysis showed that the composition of vegetation was similar between the WTH and middle-aged stand, although some species like Lycopodium clavatum and Diphasiastrum complanatum occurred only in the WTH stand. The study showed that a period of 50 years is sufficient for ground vegetation of a typical drained spruce forest to recover after WTH management.

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排水挪威云杉(Picea abies (L.))地表植被组成及多样性喀斯特)在全树采伐管理后的50年:拉脱维亚的案例研究

全树采伐(残桩采伐)对挪威云杉(Picea abies (L.))地面植被的长期(50年)影响对喀斯特林分进行了研究。采用时间序列方法评估了整树采伐对林分地面植被的长期影响。以不同林龄、相同林型的对照林分:幼林(15年)、中年林(45年)、成熟林(110年)和过成熟林(140年)为研究对象。林分物种丰富度与中期林分相似，分别为61种和60种。WTH和中年林分的Shannon-Wiener多样性指数分别为3.40和3.19，表明林分具有相似性。群落相似度分析表明，中低处林分植被组成与中低处林分相似，但只有中低处林分才有clavatum石松(Lycopodium clavatum)、平流层石松(Diphasiastrum planatum)等植物。研究表明，典型排水云杉林的地面植被经过WTH管理后，50年的时间就足以恢复。

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Forestry Studies Agricultural and Biological Sciences-Forestry

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