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Fruit dispersal dynamics of the cold desert shrub Zygophyllum xanthoxylon

Published online by Cambridge University Press:  11 October 2017

Xiaoying Zhao*
Affiliation:
School of Life Science, Xinjiang Normal University, Urumqi, 830054, China
Carol C. Baskin
Affiliation:
Department of Biology, University of Kentucky, Lexington, KY 40506-0225, USA Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY 40546-0312, USA
Changqing Zhu
Affiliation:
School of Life Science, Xinjiang Normal University, Urumqi, 830054, China
Jerry M. Baskin
Affiliation:
Department of Biology, University of Kentucky, Lexington, KY 40506-0225, USA
*
*Correspondence Email: zzhaoxy@163.com

Abstract

The pattern of seed dispersal in time and space can affect plant fitness and the soil seed bank, and thus information is needed on this aspect of the seed biology of a species before it is selected for use in habitat restoration projects. Zygophyllum xanthoxylon is a super-xerophilous shrub that is a potential pioneer species for use in revegetating highly disturbed areas of the cold deserts of northwest China. We studied fruit release and soil seed banks of Z. xanthoxylon for 3 years in two cold desert habitats characterized by different degrees of drought and wind velocity. In our study, fruit (a three-winged capsule) release began in summer (June 2010, August 2011, July 2012) and extended for 9–10 months, but plants can be found in the population with previous- and current-year fruits attached to them. More than 50% of the fruits were released in the first 3–4 months after maturity, while the others were released gradually over a 7–8 month period. The temporal pattern of fruit dispersal varied with habitat but not with amount of precipitation during summer. The pattern of fruit deposition on the soil surface was affected by neighbouring plants, wind velocity, wind direction and topography. In both habitats, >90% of the fruits were deposited beside large and small clusters of plants, mainly Ephedra przewalskii. To facilitate plant community development, we suggest that E. przewalskii should be planted (as a wind break) together with Z. xanthoxylon when native pioneer species are used for restoration of cold desert shrublands.

Type
Research Papers
Copyright
Copyright © Cambridge University Press 2017 

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References

Baskin, C.C. and Baskin, J.M. (2014) Seed: Ecology, Biogeography, and Evolution of Dormancy and Germination, 2nd edn. San Diego: Elsevier/Academic Press.Google Scholar
Bastida, F. and Talavera, S. (2002) Temporal and spatial patterns of seeds dispersal in two Cistus species (Cistaceae). Annals of Botany 89, 427434.Google Scholar
Cao, X., Wang, Y., Lu, H., Wei, W.S. and Jia, J. (2015) Gale and its changes in Dabancheng, Xinjiang in recent 30 years. Arid Zone Research 32, 116122 (in Chinese with English abstract).Google Scholar
Cheng, P. (2010) Characteristics of precipitation in the Urumqi [region] over the past 50 years. Arid Land Geography 33, 580587 (in Chinese with English abstract).Google Scholar
Cowling, R.M. and Lamont, B.B. (1987) Post-fire recruitment of four co-occurring Banksia species. Journal of Applied Ecology 24, 645658.Google Scholar
Enright, N.J., Lamont, B.B. and Marsula, R. (1996) Canopy seed bank dynamics and optimum fire regime for the highly serotinous shrub, Banksia hookeriana . Journal of Ecology 84, 917.Google Scholar
Garcia-Fayos, P. and Verdu, M. (1998) Soil seed bank, factors controlling germination and establishment of a Mediterranean shrub: Pistacia lentiscus L. Acta Oecologica 19, 357366.Google Scholar
Günster, A. (1994) Seed bank dynamics – longevity, viability and predation of seeds of serotinous plants in the central Namib Desert. Journal of Arid Environments 28, 195205.Google Scholar
Guo, Q., Rundel, P.W. and Goodall, D.W. (1998) Horizontal and vertical distribution of desert seed banks: patterns, causes, and implications. Journal of Arid Environments 38, 465478.CrossRefGoogle Scholar
Gutterman, Y. (1994) Strategies of seed dispersal and germination in plants inhabiting deserts. The Botanical Review 60, 373425.CrossRefGoogle Scholar
Gutterman, Y. (2002) Survival Strategies of Annual Desert Plants. Berlin: Springer-Verlag.Google Scholar
Kinucan, R.J. and Smeins, F.E. (1992) Soil seed bank of a semiarid Texas grassland under three long-term (36-years) grazing regimes. American Midland Naturalist 128, 1121.Google Scholar
Kurova, J. (2016) The impact of soil properties and forest stand age on the soil seed bank. Folia Geobotanica 51, 2737.Google Scholar
Lamont, B.B. (1991) Canopy seed storage and release – what's in a name? Oikos 60, 266268.CrossRefGoogle Scholar
Li, F.R., Wang, T. and Zhang, A.S. (2005) Wind-dispersed seed deposition patterns and seedling recruitment of Artemisia halodendron in a moving sandy land. Annals of Botany 96, 6980.Google Scholar
Li, Q.Y. and Fang, H.Y. (2008) Study on soil seed bank of Nitraria sphaerocarpa coppice dune in a desert-oasis marginal zone. Arid Zone Research 25, 502506 (in Chinese with English abstract).Google Scholar
Liu, Z.M. [editor] (2010) Plant Regenerative Strategies in the Horqin Sand Land. Beijing: China Meteorological Press (in Chinese).Google Scholar
Ma, J.L. and Liu, Z.M. (2008) Spatiotemporal pattern of seed bank in the annual psammophyte Agriophyllum squarrosum Moq. (Chenopodiaceae) on the active sand dunes of northeastern Inner Mongolia, China. Plant and Soil 311, 97107.Google Scholar
Narita, K. and Wada, N. (1998) Ecological significance of the aerial seed pool of a desert lignified annual, Blepharis sindica (Acanthaceae). Plant Ecology 135, 177184.CrossRefGoogle Scholar
Nathan, R. and Muller-Landau, H.C. (2000) Spatial patterns of seed dispersal, their determinants and consequences for recruitment. Trends in Ecology and Evolution 15, 278285.Google Scholar
Orscheg, C.K. and Neal, J.E. (2011) Patterns of seed longevity and dormancy in obligate seeding legumes of box-ironbark forests, south-eastern Australia: seed longevity of Box-ironbark forest legumes. Austral Ecology 36, 185194.Google Scholar
Parhat, A. (2015) Vegetation type and floristic composition in Dabancheng-Chaiwopu. Dissertation. Xinjiang Normal University (in Chinese with English abstract).Google Scholar
Peters, E.M., Martorell, C. and Ezcurra, E. (2009) The adaptive value of cued seed dispersal in desert plants: seed retention and release in Mammillaria pectinifera (Cactaceae), a small globose cactus. American Journal of Botany 96, 537541.CrossRefGoogle ScholarPubMed
Reynolds, J.F., Virginia, R.A. and Kemp, P.R., de Soyza, A.G. and Tremmel, D.C. (1999) Impact of drought on desert shrubs: effects of seasonality and degree of resource island development. Ecological Monographs 69, 69106.CrossRefGoogle Scholar
Shen, G.M. [editor] (2011) Flora Xinjiangensis III. Urumqi, Xinjiang Press for Scientific and Health (in Chinese).Google Scholar
Sternberg, M., Gutman, M., Perevolotsky, A. et al. (2003) Effects of grazing on soil seed bank dynamics: an approach with functional groups. Journal of Vegetation Science 14, 375386.Google Scholar
Thompson, K., Band, S.R. and Hodgson, J.G. (1993) Seed size and shape predict persistence in soil. Functional Ecology 21, 1938.Google Scholar
Venable, D.L. and Lawlor, L. (1980) Delayed germination and dispersal in desert annuals – escape in space and time. Oecologia 46, 272282.Google Scholar
Wang, J. (2017) The effect of storage in situ on germination of Zygophyllum xanthoxylon (Bunge) Maxim. seed in Dabancheng . Dissertation. Xinjiang Normal University (in Chinese with English abstract).Google Scholar
Wang, J., Zhao, X.Y. and Yuan, H. (2016) The seedling emergence dynamics of Zygophyllum xanthoxylon in the field in Dabancheng Desert. Journal of Xinjiang Normal University 35, 3438 (in Chinese with English abstract).Google Scholar
Wenny, D.G. (2000) Seed dispersal, seed predation, and seedling recruitment of a neotropical montane tree. Ecological Monographs 70, 331351.CrossRefGoogle Scholar
Zeng, Y.J., Wang, Y.R. and Bao, P. (2005) Study on the effects of soil temperature, soil moisture content, sowing depth, and sand cover on seed germination and seedling growth of Reaumuria soongorica and Zygophyllum xanthoxylum . Acta Prataculturae Sinica 14, 2431 (in Chinese with English abstract).Google Scholar
Zhao, X.Y., Chen, H.S. and Sun, C.Q. (2001) Restoration Ecology: Principles and Approaches for Ecological Restoration. Beijing: China Environment Science Press (in Chinese).Google Scholar
Zhang, D.J., Zhang, J. and Yang, W.Q. (2014) Plant and soil seed bank diversity across a range of ages of Eucalyptus grandis plantations afforested on arable lands. Plant and Soil 376, 307325.Google Scholar