Articles | Volume 20, issue 1
https://doi.org/10.5194/we-20-19-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/we-20-19-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Standard article
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12 May 2020
Standard article |
| 12 May 2020
| 12 May 2020
Pollen morphological variability correlates with a large-scale gradient of aridity
Hindel Fatmi
Department of Natural and Life Sciences, Faculty of Exact Sciences
and Natural and Life Sciences, University of Larbi Tébessi – Tébessa, 12002
Tébessa, Algeria
Souhaïl Mâalem
Department of Natural and Life Sciences, Faculty of Exact Sciences
and Natural and Life Sciences, University of Larbi Tébessi – Tébessa, 12002
Tébessa, Algeria
Bouchra Harsa
Department of Natural and Life Sciences, Faculty of Exact Sciences
and Natural and Life Sciences, University of Larbi Tébessi – Tébessa, 12002
Tébessa, Algeria
Department of Biology, University of Badji Mokhtar – Annaba, 23000
Annaba, Algeria
University of Badji Mokhtar – Annaba, Faculty of Science, Laboratory of Plant Biology and Environment (LBVE), Axis: Medicinal Plants and Natural Substances, 23000 Annaba, Algeria
Ahmed Dekak
Department of Natural and Life Sciences, Faculty of Exact Sciences
and Natural and Life Sciences, University of Larbi Tébessi – Tébessa, 12002
Tébessa, Algeria
Department of Natural and Life Sciences, Faculty of Exact Sciences
and Natural and Life Sciences, University of Larbi Tébessi – Tébessa, 12002
Tébessa, Algeria
Laboratory of Natural Resources and Management of Sensitive
Environments “RNAMS”, University of Larbi Ben M'hidi, 04000 Oum-El-Bouaghi,
Algeria
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Short summary
This study determines the diversity of pollen morphotypes of Atriplex halimus (Amaranthaceae) along a large-scale climatic gradient. Occurrences of 10 pollen grain shapes were quantified at seven climates across a humid-to-hyperarid gradient. We discuss how the evolutionary effects of climate gradients on pollen morphology and variability in dryland induce a high level of specialization to maximize trade-offs between adaptation to severe ecological conditions and pollination efficiency.
This study determines the diversity of pollen morphotypes of Atriplex halimus (Amaranthaceae)...
