Population status, demography and habitat preferences of the threatened lipstick palm Cyrtostachys renda Blume in Kerumutan Reserve, Sumatra

Widyatmoko, Didik; Burgman, Mark A.; Guhardja, Edi; Mogea, Johanis P.; Walujo, Eko Baroto; Setiadi, Dedi

doi:10.1016/j.actao.2005.03.003

Cited by 12 publications

(11 citation statements)

References 24 publications

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“…This information showed that their mortality rate decreased on adult phase. This pattern is similar to another endemic palm like Sommieria leucophylla which high mortality occur between seedling S1 and S2, but low survivorship in adult (Widyatmoko 2010) and similar with Cyrtostachys renda (Widyatmoko et al 2005).…”

Section: Discussionsupporting

confidence: 78%

“…Measurement attributes Measurement of species attributes included palm densities, stem diameter at breast height (dbh) for juveniles and adults palm to determine the basal area. Height of the visible stem to the base of the leaf sheath of the lowest leaf (for juveniles and adults), leaf size (length average) of the two oldest live leaves (for seedlings only) (Widyatmoko et al 2005). Stem height was measured by a digital hagameter and stem diameter by a diameter tape.…”

Section: Population Structure Samplingmentioning

confidence: 99%

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Population study and habitat preferences of Pinang Jawa (Pinanga javana) in Mt. Slamet, Central Java, Indonesia

2019

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Abstract. Zulkarnaen RN, Nisyawati, Witono JR. 2019. Population study and habitat preferences of Pinang Jawa (Pinanga javana) in Mt. Slamet, Central Java, Indonesia. Biodiversitas 20: 712-718. Conservation effort of Pinang Jawa is hampered due to lack of information on its ecology and population biology. The species is an endemic palm species to Java. The study aimed to assess the population study and habitat preference of Pinang Jawa in Mt. Slamet, Central Java. The research design used a purposive sampling method with a plot measuring 10x10 m. The observation plot was successfully made with a total of 183 plots. The result showed that the population was dominated by adult palm (mature) with the number of 1023 individuals on the southern slope of Mt. Slamet. Individuals growth dominated in hill slope. Population structure was dominated by individuals with stem heights of 6.1-8.1 m and stem diameters of 7-8.9 cm. The stem height and stem diameter class distribution showed that high mortality rate occurs in the seedlings stage class, although this stage should be high recruitment due to the seed production is perennial continuously. Predators were identified as the main threat for seedlings of Pinang Jawa. The result of statistical analysis clearly provides reveals that abiotic factors in which influencing the density of Pinang Jawa was slope, litter thickness, and crown cover.

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Section: Discussionsupporting

confidence: 78%

Section: Population Structure Samplingmentioning

confidence: 99%

Population study and habitat preferences of Pinang Jawa (Pinanga javana) in Mt. Slamet, Central Java, Indonesia

2019

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“…Surprisingly, two apparently closely associated species, S. incarnatum and P. helicopus , were negatively associated with C. renda . In fact, C. renda was more common in well‐drained sites, avoiding waterlogged areas within lowland peat swamp tropical rain forests (Widyatmoko et al . 2005).…”

Section: Resultsmentioning

confidence: 99%

“…Together with continuous leaf shedding, the dense crowns create a microhabitat of heavy shade that is unfavourable for seed germination and seedling establishment. This was reflected by a low percentage of fertile adults found bearing flowers or fruits during the 1998–2000 observations, only 11% of the total mature population (Widyatmoko et al . 2005).…”

Section: Discussionmentioning

confidence: 99%

Influences of edaphic factors on the distribution and abundance of a rare palm (Cyrtostachys renda) in a peat swamp forest in eastern Sumatra, Indonesia

Widyatmoko

Burgman

2006

Austral Ecology

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Tropical plant community ecology is often assumed to be driven largely by stochastic disturbance, replacement and demographic processes despite a general lack of information about the physical environment. Tropical soils are more diverse, at regional, intermediate and local scales than usually is recognized. This study was conducted to test hypotheses about the importance of edaphic parameters in determining the abundance and distribution of the rare lipstick palm Cyrtostachys renda Blume and its co-occurrence with other plants. Eight of 11 tropical tree species were positively associated with C. renda. For Gluta renghas, Shorea parvifolia, Eleiodoxa conferta, Pandanus terrestris and Korthalsia flagellaris, the association with the palm was strong. The palms E. conferta and K. flagellaris appeared to have similar ecological and habitat requirements. The lipstick palm is adapted to specific edaphic conditions related to soil quality and drainage. It prefers fine sand, well-drained soil and low mineral content, reflected in associations between these variables and stem density, clump density, clump size, frequency, basal area and canopy circle area. High levels of soil Ca ++ , Mg ++ and K + are associated with sites where the palm is absent. The C/N ratio of soils appears to influence palm densities and sizes. All known populations occur in habitats with C/N-values less than 19, with the largest populations in areas with C/N-values of 13. Our findings suggest that edaphic variables are important determinants of the abundance and distribution of this tropical peat swamp forest species.

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“…Climate change may alter the pattern of cloud formation or cloud height over montane habitats [7,25,26] and is thought to be the most critical threat to the survival of endemic flora on Lord Howe Island due to its limited scope for migration [27,28]. Demographic structure and population dynamic modelling studies are easily undertaken on palms and have potential to be used for gauging climate effects on populations [29,30,31]. …”

Section: Introductionmentioning

confidence: 99%

Will Climate Change, Genetic and Demographic Variation or Rat Predation Pose the Greatest Risk for Persistence of an Altitudinally Distributed Island Endemic?

Simmons

Auld

Hutton³

et al. 2012

Biology

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Species endemic to mountains on oceanic islands are subject to a number of existing threats (in particular, invasive species) along with the impacts of a rapidly changing climate. The Lord Howe Island endemic palm Hedyscepe canterburyana is restricted to two mountains above 300 m altitude. Predation by the introduced Black Rat (Rattus rattus) is known to significantly reduce seedling recruitment. We examined the variation in Hedyscepe in terms of genetic variation, morphology, reproductive output and demographic structure, across an altitudinal gradient. We used demographic data to model population persistence under climate change predictions of upward range contraction incorporating long-term climatic records for Lord Howe Island. We also accounted for alternative levels of rat predation into the model to reflect management options for control. We found that Lord Howe Island is getting warmer and drier and quantified the degree of temperature change with altitude (0.9 °C per 100 m). For H. canterburyana, differences in development rates, population structure, reproductive output and population growth rate were identified between altitudes. In contrast, genetic variation was high and did not vary with altitude. There is no evidence of an upward range contraction as was predicted and recruitment was greatest at lower altitudes. Our models predicted slow population decline in the species and that the highest altitude populations are under greatest threat of extinction. Removal of rat predation would significantly enhance future persistence of this species.

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Population status, demography and habitat preferences of the threatened lipstick palm Cyrtostachys renda Blume in Kerumutan Reserve, Sumatra

Cited by 12 publications

References 24 publications

Population study and habitat preferences of Pinang Jawa (Pinanga javana) in Mt. Slamet, Central Java, Indonesia

Population study and habitat preferences of Pinang Jawa (Pinanga javana) in Mt. Slamet, Central Java, Indonesia

Influences of edaphic factors on the distribution and abundance of a rare palm (Cyrtostachys renda) in a peat swamp forest in eastern Sumatra, Indonesia

Will Climate Change, Genetic and Demographic Variation or Rat Predation Pose the Greatest Risk for Persistence of an Altitudinally Distributed Island Endemic?

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