Effect of Light Intensity on Arundinaria gigantea Growth and Physiology

Cirtain, Margaret C.; Franklin, Scott B.; Pezeshki, S. R.

doi:10.2179/08-060r3.1

Cited by 15 publications

(7 citation statements)

References 36 publications

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“…Both effects alter soil conditions. Although we did not directly measure the soil conditions, previous studies (Andrade et al 2010;Cirtain et al 2009;Deutsch et al 2010) suggested those effects could elevate and maintain soil temperature and moisture. These microclimatic changes could facilitate the emergence of new shoots (Liu et al 2009;Wang and Kao 1986), thus promoting asexual reproduction in Yushan canes.…”

Section: Discussionmentioning

confidence: 99%

“…We observed that the Taiwan field vole could extensively defoliate Yushan canes and create large amount of litter on the ground (Yeh 2010). This may increase the amount of light able to penetrate the canopy and the amount of aboveground litter on the ground level, which might alter soil conditions for the canes (Cirtain et al 2009;Deutsch et al 2010). However, the consumption of culms and leaves may decrease photosynthetic efficiency and retard Yushan cane growth.…”

mentioning

confidence: 96%

“…An increase in soil temperature and humidity facilitates shooting (Cirtain et al 2009;Wang and Kao 1986). In bamboo farms, periodic thinning of culms is practiced to maintain a healthy production of culms in several commercially produced bamboo species.…”

mentioning

confidence: 99%

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Taiwan field vole (Microtus kikuchii) herbivory facilitates Yushan cane (Yushania niitakayamensis) asexual reproduction in alpine meadows

2012

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Section: Discussionmentioning

confidence: 99%

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confidence: 96%

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Taiwan field vole (Microtus kikuchii) herbivory facilitates Yushan cane (Yushania niitakayamensis) asexual reproduction in alpine meadows

2012

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“…Their rapid growth under intense levels of light (Cirtain, Franklin & Pezeshki, 2009) and leaves with relatively low carbon cost and high photosynthesis rates (Montti et al, 2014; Yang et al, 2014) result in the widespread occurrence of these plants in forests (Judziewicz et al, 1999). Bamboo density effects the dynamics and structure of forests (Tabarelli & Mantovani, 2000; Griscom & Ashton, 2003; Giordano, Sánchez & Austin, 2009; Rother, Rodrigues & Pizo, 2009; Lima et al, 2012), serving as a resource for different animals (Reid et al, 2004; Areta, Bodrati & Cockle, 2009; Hilário & Ferrari, 2010; Cestari & Bernardi, 2011).…”

Section: Introductionmentioning

confidence: 99%

Nitrogen input by bamboos in neotropical forest: a new perspective

Padgurschi

Vieira

Stefani

et al. 2018

PeerJ

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BackgroundNitrogen (N) is an important macronutrient that controls the productivity of ecosystems and biological nitrogen fixation (BNF) is a major source of N in terrestrial systems, particularly tropical forests. Bamboo dominates theses forests, but our knowledge regarding the role of bamboo in ecosystem functioning remains in its infancy. We investigated the importance of a native bamboo species to the N cycle of a Neotropical forest.MethodsWe selected 100 sample units (100 m2 each) in a pristine montane Atlantic Forest, in Brazil. We counted all the clumps and live culms of Merostachys neesii bamboo and calculated the specific and total leaf area, as well as litter production and respective N content. Potential N input was estimated based on available data on BNF rates for the same bamboo species, whose N input was then contextualized using information on N cycling components in the study area.ResultsWith 4,000 live culms ha−1, the native bamboo may contribute up to 11.7 kg N ha−1 during summer (January to March) and 19.6 kg N ha−1 in winter (July to September). When extrapolated for annual values, M. neesii could contribute more than 60 kg N ha−1y−1.DiscussionThe bamboo species’ contribution to N input may be due to its abundance (habitat availability for microbial colonization) and the composition of the free-living N fixer community on its leaves (demonstrated in previous studies). Although some N is lost during decomposition, this input could mitigate the N deficit in the Atlantic Forest studied by at least 27%. Our findings suggest that M. neesii closely regulates N input and may better explain the high diversity and carbon stocks in the area. This is the first time that a study has investigated BNF using free-living N fixers on the phyllosphere of bamboo.

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“…They have a prolonged life cycle during which the rhizomes give origin to the clones (culms) that remain connected in a clump (Judziewicz et al 1999). The clump structure and the rapid colonization in a greater availagility of light (Widmer 1998;Yang et al 2014), soil nutrients (Cirtain et al 2009) or root colonizing fungi (Jiang et al 2013) make the group occur at high densities inside forests (Judziewicz et al 1999). Such density influences the structure ( Tagarelli Equation 2Equation 3calculate the annual increment of giomass.…”

Section: Introductionmentioning

confidence: 99%

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Supplemental Information 1: Bamboo Data for Free-Living Biological Nitrogen Fixation (BNF) Estimates

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Background. Bamboos are typical plants in tropical forests acting as resource for different animals and influencing forest structure and dynamics, but our knowledge about their influence on ecosystem functioning remains in its infancy. Nitrogen (N) is an important macronutrient that exerts control over productivity of ecosystems. Biological Nitrogen Fixation (BNF) is one of the main N input to terrestrial systems, more specifically by free-living BNF in tropical forests. In these forests, the dominant presence of bamboo and the occurrence of free-living N-fixers in its leaf surfaces appear to play a relevant role in N cycling. Here, we explore the importance of a native bamboo to N cycle in a Neotropical forest to provide insights on bamboo's role on ecosystem functioning. Methods.The study was conducted in a pristine montane Atlantic Forest, Brazil. We select 100 sample units (100 m² each) and counted all bamboo clumps and live culms, estimated the leaf area, the litter production and its N content. We estimated the potential N input mediated by bamboo based on available data of free-living BNF rates for this species and then we contextualized it with information about N cycling components in the study area.Results. We counted 4000 live culms ha -1 and estimated 4.3 x 10 4 m² ha -1 of bamboo leaf area for freeliving N-fixers colonization. Considering the free-living BNF rates quantified for the same study area, the native bamboo may contribute up to 61.6 kg N ha -1 y -1 which represents a reduction in the N deficit of at least 25% in the Neotropical forest area we studied. Through its litter, the bamboo adds 9 kg N ha -1 y -1 to the system (15% of the total fixed on its leaf surface).Discussion. The bamboo's contribution for N input we found may be explained by free-living community composition on its leaf as previously indicated by other studies, as well as by the bamboo overabundance, and thus habitat availability for colonization. Such N input represents a reduction in N deficit in the study area where the rates of symbiotic BNF (0.2 kg N ha -1 y -1 ) are lower than values in Amazon Forest (3 kg N ha -1 y -1 ). This native bamboo may supply N to the system probably through the decomposition of its leaves which represents a return of 15% of the total N fixed. Although it is still necessary to evaluate the characteristics of bamboo that will further elucidate its role in the functioning of the forests, our findings suggest that it closely regulates N inputs and may better explain high diversity and carbon stocks of the area. Brazil. We select 100 sample units (100 m² each) and counted all gamgoo clumps and live culms, estimated the leaf area, the litter production and its N content. We estimated the potential N input mediated gy gamgoo gased on availagle data of free-living BNF rates for this species and then we contextualized it with information agout N cycling components in the study area. Results. We counted 4000 live culms ha -1 and estimated 4.3 x 10 4 m² ha -1 of gamgoo leaf area for free-living N-fixer...

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Effect of Light Intensity on Arundinaria gigantea Growth and Physiology

Cited by 15 publications

References 36 publications

Taiwan field vole (Microtus kikuchii) herbivory facilitates Yushan cane (Yushania niitakayamensis) asexual reproduction in alpine meadows

Taiwan field vole (Microtus kikuchii) herbivory facilitates Yushan cane (Yushania niitakayamensis) asexual reproduction in alpine meadows

Nitrogen input by bamboos in neotropical forest: a new perspective

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