Effect of typhoon disturbance on fine litterfall and related nutrient input in a subtropical forest on Okinawa Island, Japan

Xu, Xiaoniu; Hirata, Eiji; Shibata, Hideaki

doi:10.1016/j.baae.2004.01.001

Cited by 41 publications

(31 citation statements)

References 28 publications

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“…Typhoon disturbances can return large amounts of plant material into the forest floor [36,38]. Those litterfall, particularly the green ones had higher nutrient concentrations than the normal litter for those nutrients that are translocated during senescence.…”

Section: Initial Litter Quality and Nutrient Dynamicsmentioning

confidence: 99%

“…During 1996-2000, typhoon occurred 15 times (maximum wind velocity over 15 m s −1 ). Fine litterfall generated by typhoons ranged from 1.21 to 4.32 Mg ha −1 yr −1 in subtropical evergreen forest [38] and from 2.21 to 5.12 Mg ha −1 yr −1 in pine plantations [36]. Litter resulting from typhoon is usually composed of lot of green leaves and twigs.…”

Section: Introductionmentioning

confidence: 99%

“…For this reason, a large number of studies have investigated the decomposition of plant litter from a wide range of species and the biotic and abiotic factors regulating this process [1,9,15]. On the other hand, typhoon disturbances have a significant impact on the annual litter production [27,36,38]. X.…”

Section: Introductionmentioning

confidence: 99%

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Nutrient dynamics in decomposing needles ofPinus luchuensisafter typhoon disturbance in a subtropical environment

2006

Ann. For. Sci.

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-Decomposition of typhoon-generated and normally fallen needles and their dynamical patterns of nutrient release for ten elements (C, N, P, K, Ca, Mg, S, Fe, Al, and Mn) were investigated over 3 yr using the litterbag technique in a subtropical pine plantation (Pinus luchuensis Mayr.) in Okinawa, southwestern Japan. After 3 yr, decomposition rates (k values) were 0.361 and 0.323 yr −1 , respectively, for typhoon-generated and normally fallen needles. The typhoon-generated needles decomposed significantly more rapidly than the normally fallen needles did, which was due to the higher N and P concentrations. Nutrient transfer patterns for elements varied greatly. However, significant differences in mass dynamic patterns of elements between typhoon-generated and normally fallen needles were found only in N and P (P < 0.001). Nutrient mobilities during the decomposition processes were similar in both typhoon-generated and normally fallen needles and was ordered as follows:Rapid decomposition with rapid release of P and N in typhoon-generated needles indicates that typhoon disturbances can drive P and N cycling at a somewhat higher rates, which is more important from the standpoint of forest productivity since P and N are limiting nutrients in the subtropical forests in Okinawa.litter chemical quality / needle decomposition / nutrient release / pine plantation / Pinus luchuensis / typhoon impact Résumé -Dynamiques des nutriments dans les aiguilles en décomposition de Pinus luchensis après les perturbations liées à un typhon dans un environnement subtropical. La décomposition des chutes d'aiguilles normales et occasionnées par un typhon et leur modèle de libération des nutriments ont été étudiés pour 10 éléments (C, N, P, K, Ca, Mg, S, Fe, Al et Mn). L'étude a été faite dans une plantation de pin (Pinus luchensis Mayr.) à Okinawa (SO du Japon). Elle a duré 3 ans et a utilisé la technique des bacs à litière. Après 3 ans les taux de décomposition étaient de 0,361 et 0,323 an −1 respectivement pour les chutes d'aiguilles liées au typhon et les chutes normales d'aiguilles. Les chutes aiguilles liées au typhon se décomposent significativement plus rapidement que les chutes normales d'aiguilles, ce qui est du à une plus forte concentration en N et P. Les modèles de transfert des éléments varient fortement. Toutefois, des différences significatives dans les modèles de dynamique de masse des éléments entre les deux types de chute d'aiguille ont seulement été mises en évidence pour N et P (P < 0,001). La mobilité des éléments pendant les processus de décomposition étaient similaires dans les deux types de chute d'aiguilles et s'ordonnait de la façon suivante : K > Ca ≥ Mg ≥ C > S ≥ N ≥ Mn > P Fe ≥ Al. Une décomposition rapide avec une libération rapide de P et N pour les aiguilles dont la chute a été occasionnée par le typhon indique que la perturbation par le typhon peut conduire le cycle de P et N à un taux quelque peu plus rapide, ce qui est important du point de vue de la productivité de la forêt puisque P et N son...

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Section: Initial Litter Quality and Nutrient Dynamicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Nutrient dynamics in decomposing needles ofPinus luchuensisafter typhoon disturbance in a subtropical environment

2006

Ann. For. Sci.

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“…Studies of animals in terrestrial ecosystems following major hurricanes have largely focused on birds (Askins and Ewert, 1991;Lynch, 1991;Waide, 1991;Wunderle et al, 1992;Wunderle, 1996;Freeman et al, 2008), bats (Gannon and Willig, 1994;Grant et al, 1997), lizards (Reagan, 1991), frogs (Woolbright, 1991;Vilella and Fogarty, 2005), and invertebrates (Willig and Camilo, 1991;Schowalter, 1994;Schowalter and Ganio, 1999). Microbial responses to hurricanes (Lodge and Cantrell, 1995;Willig et al, 1996;Vargas et al, 2010) are not well studied relative to plants and animals, yet several studies have documented ecosystem processes that in part involve microbes after these storms, such as decomposition (Herbert et al, 1999;Sullivan et al, 1999;Ostertag et al, 2003), greenhouse gas flux (Erickson and Ayala, 2004), and changes in terrestrial nutrient status (Blood et al, 1991;Lodge et al, 1991;McDowell et al, 1996;Scatena et al, 1996;Silver et al, 1996;Herbert et al, 1999;Xu et al, 2004;Heartsill Scalley et al, 2010). Recent interest in hurricane effects to tropical forests has also stemmed from models that predict an increased frequency and/or intensity of these storms associated with global climate change (Emmanuel, 2005;Nyberg et al, 2007;Bender et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Understanding the key mechanisms of tropical forest responses to canopy loss and biomass deposition from experimental hurricane effects

Shiels¹,

González

2014

Forest Ecology and Management

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a b s t r a c tTo date, it is not clear which are the factors that most influence tropical forest recovery from hurricanes. Increased canopy openness and increased detritus (debris) deposition are two of the most likely factors, but due to their simultaneous occurrence during a hurricane, their relative effects cannot be separated without a manipulative experiment. Hence, in the Luquillo Experimental Forest (LEF) of Puerto Rico, the Luquillo Long-Term Ecological Research Program (LTER) has undertaken experimental manipulations in replicated 30 Â 30 m plots to simulate the major effects of hurricane disturbance-increased canopy openness and debris addition to the forest floor. Using a factorial experiment enabled investigation of the separate and combined effects of canopy opening and debris on this wet tropical forest; the experimental outcomes may help direct forest management decisions in similar disturbance-prone environments. In this first article of the special issue, we (1) provide details of the design and methodology for this manipulative experiment (the Canopy Trimming Experiment, CTE), (2) report some principal abiotic responses to treatments, and (3) introduce the subject areas of the 12 additional CTE manuscripts in this special issue. The physical conditions created by canopy and understory treatment and the amounts of debris added to CTE plots were similar to the LEF's conditions following Hurricane Hugo (a category 4 storm) in 1989; although more wood and a 37% (1.5 cm) deeper litter layer was present in the CTE. Our selective cutting and removal of the forest canopy above 3 m, which included trimming 234 palm trees and 342 non-palm trees, greatly altered the understory micro-environment by increasing light levels and decreasing litter moisture for 18 months; throughfall and soil moisture were elevated in trim plots for 3 months. In plots where the canopy was trimmed and the debris (6 kg m À2) was added to the forest floor, the canopy debris persisted on the forest floor for at least 4 years; debris decomposed more quickly in plots with intact canopies. The diverse collection of papers in this special issue provide mechanistic understandings of response patterns of tropical forest biota (microbes, plants, animals) and processes (decomposition, herbivory, nutrient cycling, primary production) to canopy and understory disturbance that resembles a major (Pcategory 3) hurricane. Although measurements for this experiment are ongoing to further identify the mechanisms of long-term forest change resulting from hurricanes, we include findings up to the first seven years post-treatment at this time.Published by Elsevier B.V.

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“…Zhang et al (2014) and Scheer et al (2009) also indicated that seasonal patterns of litterfall show unimodal, bimodal or irregular modes, and the litter peaks might occur in several months of the year. Consequently, this phenomenon may affect the dynamics of ecosystem carbon and nutrient cycling (Xu et al, 2004;Das and Ramakrishnan, 1985).…”

Section: Introductionmentioning

confidence: 99%

Litterfall dynamics in Boter-Becho Forest: Moist evergreen montane forest of Southwestern Ethiopia

Seta¹,

Demissew²,

Woldu³

2018

J. Ecol. Nat. Environ.

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Litterfall in the forest is essential for balanced ecosystem processes. The present study determined seasonal variations of litterfall in the Boter-Becho forest, Southwestern Ethiopia. Based on forest disturbance level, two sites were selected: Low and high. Litterfall production in the high and low disturbed forest sites averaged 6.6 and 10.8 t ha -1 year -1 , respectively. Significant differences (P<0.001) in litterfall were manifested between wet (0.6 ton ha -1 month -1 ) and dry (0.8 tons ha -1 month -1 ) seasons. Higher litterfall was associated with the dry compared with the wet season. Both litterfall and its fractions including leaf litter, reproductive parts and twigs followed a multimodal distribution pattern. Litterfall peaked during March, April, December, January and February with maximum peaks during March and December respectively. Monthly rainfall and temperature directly influenced litterfall production. Litterfall was strongly but negatively correlated with rainfall compared to ambient temperature. Although the present study provided useful information on the effects of low and high disturbance on litterfall production of the Boter Becho forest, further studies are required to quantify and understand the impact of disturbance on nutrient cycling specific to this forest.

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Effect of typhoon disturbance on fine litterfall and related nutrient input in a subtropical forest on Okinawa Island, Japan

Cited by 41 publications

References 28 publications

Nutrient dynamics in decomposing needles ofPinus luchuensisafter typhoon disturbance in a subtropical environment

Nutrient dynamics in decomposing needles ofPinus luchuensisafter typhoon disturbance in a subtropical environment

Understanding the key mechanisms of tropical forest responses to canopy loss and biomass deposition from experimental hurricane effects

Litterfall dynamics in Boter-Becho Forest: Moist evergreen montane forest of Southwestern Ethiopia

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