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Detection of nickeliferous rocks by analysis of herbarium specimens of indicator plants
Phylogenetic relationships within Araucariaceae based on rbcL gene sequences.
- H. Setoguchi, T. Asakawa Osawa, J. Pintaud, T. Jaffré, J. Veillon
- Biology, Environmental ScienceAmerican journal of botany
- 1 November 1998
Phylogenetic trees determined by the parsimony method indicate that Araucariaceae are well defined by rbcL sequences and also that the monophyly of Agathis or Araucaria is well supported by high bootstrap values.
Threatened plants of New Caledonia: Is the system of protected areas adequate?
It is concluded that the current network of protected areas needs to be considerably expanded, in terms of both geographical/floristic subregions within New Caledonia and vegetation type covered.
Research Priorities for Conservation of Metallophyte Biodiversity and their Potential for Restoration and Site Remediation
Plants that have evolved to survive on metal‐rich soils—metallophytes—have key values that must drive research of their unique properties and ultimately their conservation. The ability of…
Fire and succession in the ultramafic maquis of New Caledonia
Aim This study investigates the role of fire and post fire succession in determining the structure and composition of vegetation on ultramafic iron crust soils.
Identifying the early genetic consequences of habitat degradation in a highly threatened tropical conifer, Araucaria nemorosa Laubenfels
- C. Kettle, P. Hollingsworth, T. Jaffré, B. Moran, R. Ennos
- Environmental ScienceMolecular ecology
- 1 September 2007
The early genetic effects of habitat degradation were investigated in the critically endangered conifer Araucaria nemorosa, and the juvenile cohort showed a loss of rare alleles and elevated levels of inbreeding when compared to the adult cohort, suggesting that recent environmental degradation is influencing the genetic structure of A. Nemorosa populations.
How did the ultramafic soils shape the flora of the New Caledonian hotspot?
Fragmentation of the peridotite mantle in isolated massifs, and as such spatial heterogeneity of ultramafic soils types, appear to promote plant endemism and speciation in New Caledonia.
Evolutionary relationships of the New Caledonian heterotrophic conifer, Parasitaxus usta (Podocarpaceae), inferred from chloroplast trnL-F intron/spacer and nuclear rDNA ITS2 sequences
The phylogenetic position of Parasitaxus has been inferred from a cladistic analysis of molecular characters from chloroplast and nuclear genomes including all genera of Podocarpaceae, indicating that the plant behaves like a holoparasite.
The metal hyperaccumulators from New Caledonia can broaden our understanding of nickel accumulation in plants
The current knowledge on Ni hyperaccumulators from New Caledonia and the latest molecular studies developed are presented to better understand the mechanisms of Ni accumulation in these plants.
Conservation Priorities in a Biodiversity Hotspot: Analysis of Narrow Endemic Plant Species in New Caledonia
A first-pass quantitative assessment of the distribution of Narrow Endemic Species (NES) in the flora of New Caledonia to identify species and sites that are potentially important for conservation action and to evaluate the coincidence of NES with mining activities and also areas of conservation protection.