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Protocols in ecological and environmental plant physiology

 
 

Australian Journal of Botany is an international journal for the publication of original research and reviews in plant science with relevance to Southern Hemisphere ecosystems including ecology and ecophysiology, conservation biology and biodiversity, forest biology and management, cell and molecular biology, palaeobotany, reproductive biology and genetics, mycology and pathology and structure and development. More...

Editor-in-Chief: Dick Williams

 
 
 

blank image Australian Journal of Botany
Volume 64 Number 2 2016

 
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Architecture of four tree species from different strata of a semideciduous forest in southern Brazil 
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Thaís M. Haddad , Mariana F. Hertel , Edmilson Bianchini and José A. Pimenta
pp. 89-99

The study of tree architecture has great ecological importance, helping understand forest dynamics. The vertical light gradient influences tree species that reach different heights in maturity. So we tested whether the stratum to which a species belongs has influence on tree architecture, by studying shapes of four species within height classes and the light environment surrounding them. The fact that species belong to different strata of the forest influenced all species architecture and the analysis within height classes was shown to be effective.

 
  
 

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Nutrient distribution and cycling in a subtropical rainforest in New South Wales 
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Marcia Lambert and John Turner
pp. 100-110

Nutrient distribution, cycling and nutrient use efficiency in an Australian subtropical rainforest not limited by nutrients was reported. Initial aboveground forest biomass was ~334 t ha–1 of organic matter and ha and a net accumulation rate of 1.03 t ha–1 year–1. Net primary productivity was 13.0–14.6 t ha–1 year–1. Estimates of quantities nutrient return, requirement and uptake of N, P, K, Ca and Mg were reported. Nutrient use efficiency (NUE) was low.

 
  
 

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Patch mosaic cyclic succession associated with the growth and senescence of an alpine shrub 
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Danielle C. McPhail and Jamie B. Kirkpatrick
pp. 111-119

Cyclical dynamics in vegetation help create the environmental heterogeneity which allows many species to co-exist. We found out that patterns in subalpine vegetation dominated by Richea acerosa were the result of cyclic succession related to the growth and senescence of this prickly shrub. This phenomenon may occur with other alpine/subalpine shrubs.

 
  
 

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Reproductive biology and breeding system in Casuarina equisetifolia (Casuarinaceae) – implication for genetic improvement 
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Y. Zhang , C. L. Zhong , Q. Han , Q. B. Jiang , Y. Chen , Z. Chen , K. Pinyopusarerk and D. Bush
pp. 120-128

Understanding the reproductive biology is essential for successful domestication and genetic improvement of Casuarina equisetifolia, an economically and environmentally important species. Study on floral biology, breeding system and progeny performance using grafted ramets revealed pollen limitation under open pollination and inbreeding depression under selfing. The high selfing rate (42%) of monoecious individuals according to microsatellite-based estimates further suggests that monoecious C. equisetifolia individuals are self-compatible and that the breeding system should be classified as facultative xenogamy.

 
    | Supplementary Material (257 KB)
 

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Living (and reproducing) on the edge: reproductive phenology is impacted by rainfall and canopy decline in a Mediterranean eucalypt 
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T. L. Moore , K. X. Ruthrof , M. D. Craig , L. E. Valentine , G. E. St J. Hardy and P. A. Fleming
pp. 129-141

Tree decline is a worldwide phenomenon that has the potential to alter reproductive cycles of individual trees, yet this topic has little been explored. Canopy condition of Eucalyptus wandoo was monitored over 12 months in Dryandra State Forest and Wandoo Conservation Park in Western Australia. Links between tree decline and the reproductive capacity of E. wandoo were found, as well as relationships between time since last fire and weather conditions.

 
  
 

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Estimating density-dependent impacts of European rabbits on Australian tree and shrub populations 
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Greg Mutze , Brian Cooke and Scott Jennings
pp. 142-152

Exotic herbivores, including European rabbits, are known to damage Australian native plants but it is unclear what level of control is necessary to minimise that damage. This study presents and validates a simple methodology for measuring the impact of rabbit density on native trees and shrubs, for use in setting target densities for plant biodiversity protection. Rabbits suppressed recruitment of palatable species at <1 rabbit ha–1, threatening native plant community composition at much lower densities than is widely recognised.

 
    | Supplementary Material (560 KB)
 

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Spatial structure and development of Paspalum vaginatum (Poaceae): an architectural approach 
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Liliana T. Fabbri , Mariel Perreta and Gabriel H. Rua
pp. 153-159

The perennial warm-season grass Paspalum vaginatum is studied as a model plant to identify the permanent morphological features that characterise the architectural unit of this species, to describe its developmental dynamics, and to explore the morphological basis of its extraordinary plasticity and adaptability to multiple ecological conditions.

 
  
 

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Geographic variation in seedling morphology of Casuarina equisetifolia subsp. equisetifolia (Casuarinaceae) 
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Pan Hu , Chonglu Zhong , Yong Zhang , Qingbin Jiang , Yu Chen , Zhen Chen , Khongsak Pinyopusarerk and David Bush
pp. 160-170

Ten morphology traits of 28 natural and introduced populations of Casuarina equisetifolia subsp. equisetifolia L. seedlings were studied at two nursery sites in China. Univariate and multivariate analyses showed varying stability of the traits across the nursery sites and marked geographic variation patterns among provenances and land races from Oceania, Asia and Africa that that are broadly consistent with those obtained in past field studies.

 
  
 

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Mistletoes increasing in eucalypt forest near Eden, New South Wales 
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R. J. Turner and Peter Smith
pp. 171-179

Mistletoes tripled in numbers over about 13 years within unfragmented forest. The increase was limited by intensive logging but was unaffected by low intensity prescribed burns. Rather than indicating an ecological imbalance, the increase may be part of a natural cycle of boom and bust, with populations crashing in severe wildfires.

 
  
 

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Published online 03 May 2016
Differences in trace element profiles of three subspecies of Silene parnassica (Caryophyllaceae) growing on ophiolitic substrate 
Sanja Đurović, Ksenija Jakovljević, Uroš Buzurović, Marjan Niketić, Nevena Mihailović and Gordana Tomović

Silene parnassica is distributed on mountains of the south-western Balkan Peninsula, inhabiting both limestone and ophiolitic substrate. Comparison of trace element profiles and the differences in uptake and translocation of trace elements in plants from five populations belonging to three subspecies of Silene parnassica growing on ophiolitic substrates showed that all three subspecies act as strong Ni accumulators.

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Published online 02 May 2016
Impact of high-severity fire in a Tasmanian dry eucalypt forest 
Lynda D. Prior, Grant J. Williamson and David M. J. S. Bowman

Dry eucalypt forests are renowned for their flammability and ability to recover from fire, yet there is little hard data on the effects of high-severity fires. We showed that fire in long-unburnt (>15 years) dry eucalypt forest remnants in the driest part of Tasmania caused high levels of tree mortality, particularly in the understorey acacias and banksias. Our study highlighted the need to reduce fuel loads in these fragmented forests to reduce tree mortality caused by fire.

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Published online 05 April 2016
Herbivory and the success of Ligustrum lucidum: evidence from a comparison between native and novel ranges 
Lía Montti, María Marta Ayup, Roxana Aragón, Weilong Qi, Honghua Ruan, Romina Fernández, Sergio A. Casertano and Xiaoming Zou

Invasive plant species may benefit from a reduction in herbivory in their introduced range. Here, we evaluated leaf herbivory of an invasive tree species (Ligustrum lucidum Aiton) in its native and novel ranges, and determined the potential changes in leaf traits that may be associated with the patterns of herbivory.

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These articles have been peer reviewed and accepted for publication. They are still in production and have not been edited, so may differ from the final published form.

    BT15261  Accepted 20 April 2016
    The relationship between salt gland density and sodium accumulation/secretion in a wide selection from three Zoysia species
    Akihiro Yamamoto, Masatsugu Hashiguchi, Ryo Akune, Takahito Masumoto, Melody Muguerza, Yuichi Saeki, Ryo Akashi
    Abstract


    BT16006  Accepted 19 April 2016
    Influence of abiotic stress preconditioning on antioxidant enzymes in shoot tips of Lomandra sonderi (Asparagaceae) prior to cryostorage
    Bryn Funnekotter, Anamika Sortey, Eric Bunn, Shane Turner, Ricardo Mancera
    Abstract


    BT15189  Accepted 19 April 2016
    Sexual differences in morphology and aboveground biomass allocation in relation to branch number in Morus alba saplings
    Huihui Huan, Bixia Wang, Gang Liu, Xiao Xu, Xinhua He
    Abstract


    BT15239  Accepted 08 April 2016
    Comparing the impacts of different types of recreational trails on Grey Box grassy woodland vegetation: lessons for conservation and management
    Mark Ballantyne, Donna Treby, Joseph Quarmby, Catherine Pickering
    Abstract


    BT15256  Accepted 20 March 2016
    The phenology and seed production of Cucumis melo as an invasive weed in Northern Iran
    Sima Sohrabi, Behnam Kamkar, Javid Gherekhloo, Ali Ghanbari, Mohammad Hassan Rashed Mohassel
    Abstract


    BT15166  Accepted 20 March 2016
    Differences in trace element profiles of three subspecies of Silene parnassica (Caryophyllaceae) growing on ophiolitic substrate
    Sanja Đurović, Ksenija Jakovljević, UroÅ¡ Buzurović, Marjan Niketić, Nevena Mihailović, Gordana Tomović
    Abstract


    BT15143  Accepted 16 March 2016
    Protein Expression in Sunflower Triggered by Exogenous Oxalic Acid as a Simulation of Plant-Pathogen Interaction
    Maryam Monazzah, Sattar Tahmasebi Enferadi, Mohammad Javad Soleimani, Zohreh Rabiei
    Abstract


    BT15242  Accepted 09 March 2016
    Chromosome evolution in Bulbine glauca (Asphodelaceae or Xanthorrhoeaceae subfam. Asphodeloideae) indicates six species, not one
    Iain Moore, Elizabeth Brown, Ian Telford, Jeremy Bruhl
    Abstract


8


The Most Read ranking is based on the number of downloads from the CSIRO PUBLISHING website of articles published in the previous 12 months. Usage statistics are updated daily.

Rank Paper Details
1. Published 23 February 2016
The Christmas tree project: comparing the effects of five treatments on the health of cut Christmas trees (Pinus radiata, Pinaceae)

Olyvea Akres, Isabella Cavallaro, Cynthia Cheng, Madison Dixon, Darcy Goddard, Tamara Hofbauer, Sidney Mahr, Taylor Mason, Lulu Miskin, Chloe Morgan, Eleanor Nettleton, Amelia Purseglove, Bella Rosenberg, Lucia Salgado, Jasmin Sardi, Emily Scarlis, Sophie Snyman, Isabella Spagnardi, Oona Swinson-Dulhunty, Lilla Szentmariay, Nikki Zimmerman, Angela T. Moles and Julia Cooke

2. Published 9 December 2015
Problems with using mean germination time to calculate rate of seed germination

Elias Soltani, Farshid Ghaderi-Far, Carol C. Baskin and Jerry M. Baskin

3. Published 6 October 2015
Post-fire succession during the long-term absence of fire in coastal heathland and a test of the chronosequence survey method

Marc Freestone, Timothy J. Wills and Jennifer Read

4. Published 6 October 2015
Recovery of treeless subalpine vegetation in Kosciuszko National Park after the landscape-scale fire of 2003

K. L. McDougall, N. G. Walsh and G. T. Wright

5. Published 25 June 2015
The flora of ultramafic soils in the Australia–Pacific Region: state of knowledge and research priorities

Antony van der Ent, Tanguy Jaffré, Laurent L'Huillier, Neil Gibson and Roger D. Reeves

6. Published 9 December 2015
The mistletoe flora of southern Western Australia, with a particular reference to host relationships and fire

A. N. Start

7. Published 6 October 2015
Grevillea (Proteaceae) seed coats contain inhibitors for seed germination

Xuanli Ma, Jingnan Guo, Xinyan Han and Guijun Yan

8. Published 9 December 2015
Differences in seedling water-stress response of two co-occurring Banksia species

M. M. Holloway-Phillips, H. Huai, A. Cochrane and A. B. Nicotra

9. Published 7 August 2015
Reproductive success of Acacia longifolia (Fabaceae, Mimosoideae) in native and invasive populations

Marta Correia, Sílvia Castro and Susana Rodríguez-Echeverría

10. Published 6 October 2015
Chromium and nickel accumulation in the macrophytes of the Kawasi wetland on Obi Island, North Maluku Province, Indonesia

R. Amin, M. Edraki, D. R. Mulligan and T. H. Gultom

11. Published 4 April 2016
Estimating density-dependent impacts of European rabbits on Australian tree and shrub populations

Greg Mutze, Brian Cooke and Scott Jennings

12. Published 6 October 2015
Causes of infertility in the endangered Australian endemic plant Borya mirabilis (Boryaceae)

Noushka H. Reiter, Neville G. Walsh and Ann C. Lawrie

13. Published 23 February 2016
Hakea, the world’s most sclerophyllous genus, arose in southwestern Australian heathland and diversified throughout Australia over the past 12 million years

Byron B. Lamont, Tianhua He and Sim Lin Lim

14. Published 7 August 2015
An evaluation of the genetic structure of seed sources and the maintenance of genetic diversity during establishment of two yellow box (Eucalyptus melliodora) seed-production areas

Linda M. Broadhurst, Graham Fifield, Bindi Vanzella and Melinda Pickup

15. Published 27 May 2015
Nickel accumulation by Alyssum serpyllifolium subsp. lusitanicum (Brassicaceae) from serpentine soils of Bragança and Morais (Portugal) ultramafic massifs: plant–soil relationships and prospects for phytomining

I. Morais, J. S. Campos, P. J. C. Favas, J. Pratas, F. Pita and M. N. V. Prasad

16. Published 9 December 2015
Influence of seed dimorphism and provenance on seed morphology, dispersal, germination and seedling growth of Brachyscome ciliaris (Asteraceae)

Rina Aleman, Manfred Jusaitis, Joan Gibbs, Phillip Ainsley, Fleur Tiver and Sophie Petit

17. Published 7 August 2015
Determining maturity and population structure in Macrozamia parcifolia (Zamiaceae), a threatened Australian cycad

Adrian C. Borsboom, Jian Wang and Paul I. Forster

18. Published 15 September 2015
Conservation biology of two endemic Beyeria species (Euphorbiaceae) from southern Western Australia

Brian J. Vincent, Sarah Barrett, Anne Cochrane, Julie A. Plummer and Michael Renton

19. Published 15 September 2015
Knowledge of the reproductive ecology of the invasive Salix cinerea, in its invaded range, assists in more targeted management strategies

Tara Hopley and Andrew G. Young

20. Published 25 June 2015
Structure, floristics and diversity of tropical montane rain forests over ultramafic soils on Mount Kinabalu (Borneo) compared with those on non-ultramafic soils

Shin-ichiro Aiba, Yoshimi Sawada, Masaaki Takyu, Tatsuyuki Seino, Kanehiro Kitayama and Rimi Repin


      
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Volume 64 (2)

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