Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1007/s11104-016-2864-7 |
Combined effects of litter features, UV radiation, and soil water on litter decomposition in denuded areas of the arid Patagonian Monte | |
Bosco, Tomas1; Beatriz Bertiller, Monica1,2; Lorena Carrera, Analia1,2 | |
通讯作者 | Bosco, Tomas |
来源期刊 | PLANT AND SOIL
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ISSN | 0032-079X |
EISSN | 1573-5036 |
出版年 | 2016 |
卷号 | 406期号:1-2页码:71-82 |
英文摘要 | We evaluated the combined effects of litter type, UV radiation, and soil water on litter decomposition processes in denuded areas of the arid Patagonian Monte. We conducted a manipulative experiment with litterbags with litter dominated by evergreen shrubs (ES), and litter dominated by perennial grasses and evergreen shrubs (PG) placed on undisturbed upper soil blocks from denuded areas. We subjected soil blocks with litterbags to near ambient and attenuated UV radiation levels, and low and high soil water levels. We evaluated litter mass loss and changes in N, soluble phenolic and lignin contents during 420 days. PG litter decomposed faster than ES litter, and UV radiation and soil water enhanced decomposition of both litter types. PG litter immobilized N while ES litter released N. During decomposition, soluble phenolic content decreased while lignin content did not vary in both litter types. Our results highlighted that abiotic and biotic controls differed between mass loss and N release/immobilization. We found additive effects of the studied factors on mass loss while litter chemistry controlled microbial N release or immobilization from decaying litter. Further studies should explore the effects of these factors on species or functional groups shifts in microorganism communities. |
英文关键词 | C/N ratio Litter chemistry Photo-degradation N Lignin Soluble phenolics |
类型 | Article |
语种 | 英语 |
国家 | Argentina |
收录类别 | SCI-E |
WOS记录号 | WOS:000381991600006 |
WOS关键词 | ULTRAVIOLET-B RADIATION ; PLANT LITTER ; LONG-TERM ; LEAF-LITTER ; NORTHEASTERN PATAGONIA ; SEMIARID LANDSCAPES ; DYNAMICS ; VEGETATION ; NITROGEN ; MODEL |
WOS类目 | Agronomy ; Plant Sciences ; Soil Science |
WOS研究方向 | Agriculture ; Plant Sciences |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/195499 |
作者单位 | 1.Consejo Nacl Invest Cient & Tecn, CENPAT, IPEEC, Blvd Brown 2915, RA-9120 Puerto Madryn, Chubut, Argentina; 2.UNPSJB, Fac Ciencias Nat, Blvd Brown 3000, RA-9120 Puerto Madryn, Chubut, Argentina |
推荐引用方式 GB/T 7714 | Bosco, Tomas,Beatriz Bertiller, Monica,Lorena Carrera, Analia. Combined effects of litter features, UV radiation, and soil water on litter decomposition in denuded areas of the arid Patagonian Monte[J],2016,406(1-2):71-82. |
APA | Bosco, Tomas,Beatriz Bertiller, Monica,&Lorena Carrera, Analia.(2016).Combined effects of litter features, UV radiation, and soil water on litter decomposition in denuded areas of the arid Patagonian Monte.PLANT AND SOIL,406(1-2),71-82. |
MLA | Bosco, Tomas,et al."Combined effects of litter features, UV radiation, and soil water on litter decomposition in denuded areas of the arid Patagonian Monte".PLANT AND SOIL 406.1-2(2016):71-82. |
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