Morphological and biological features of plants related to their adaptation to coastal habitats

Воронкова, Н. М.; Burkovskaya, E. V.; Безделева, Т. А.; Burundukova, O. L.

doi:10.1134/s1067413608010013

Cited by 35 publications

(15 citation statements)

References 5 publications

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“…Most quantitative parameters of the leaf and stem were similar to the parameters of desert species as observed by Voronkova et al [9], indicating that the anatomical adaptive strategies of halophytes and desert plants were similar. Furthermore, our research has shown that populations from inland saline area showed higher variability of examined characters.…”

Section: Discussionsupporting

confidence: 66%

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Morpho-anatomical differentiation of Suaeda maritima (L.) Dumort. 1827. (Chenopodiaceae) populations from inland and maritime saline area

et al. 2009

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Morphological analysis of four populations of Suaeda maritima was undertaken in order to examine the variation between populations from inland and maritime saline area, as well as between the two subspecies. Variability and significance of morpho-anatomical differentiation were examined using principal component analysis (PCA), discriminant component analysis (DCA) and cluster analysis. Plants of each population exhibited halomorphic and xeromorphic characteristics. The results of PCA and DCA showed that S. maritima subsp. prostrata and S. maritima subsp. maritima could be clearly separated based on their quantitative anatomical characteristics. Based on our analysis, climate and the amount of salt and ions in the soil, are important factors that enhance the adaptive potential of S. maritima.

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Section: Discussionsupporting

confidence: 66%

“…The succulent euhalophytes accumulate salt in their tissues, whereas crinochalophytes are able to excrete excess salt through salt glands and bladders. Despite these different processes of eliminating salt, certain modifications of this classification are known to exist [8,9].…”

Section: Introductionmentioning

confidence: 99%

Morpho-anatomical differentiation of Suaeda maritima (L.) Dumort. 1827. (Chenopodiaceae) populations from inland and maritime saline area

et al. 2009

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“…Saline habitats may induce the development halophilic and xerophilic characters in plants. Halophytes accumulate salt in their tissues (Voronkova et al 2008). Crystals were observed in S. halophila parenchyma pith tissue of the stem.…”

Section: Discussionmentioning

confidence: 99%

Morphological, anatomical and palynological characteristics of Salvia halophila endemic toTurkey

Kaya¹,

Göğer²,

Başer³

2007

Nordic Journal of Botany

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Salvia halophila Hedge (Lamiacae) is an endemic plant species of the Irano–Turanian phytogeographic region. It grows in salt steppes of central Anatolia. Morphological and anatomical features of the plant is examined in this study. Scanning electron microscopy (SEM) is used to describe the morphology of pollen and trichomes. Salvia halophila pollen is shown to be hexacolpate and mostly prolate. The exine is perforated and distictly bireticulate with prominent muri. Morphological characters such as±fleshy leaves, shapes of leaves and calyx, bracts, corolla and type of stamens (B type) are helpful to distinguish species of Salvia. In addition, anatomical characters such as trichome features, crystals, mesophyll structure and vascular bundles in leaves and petioles provide information of taxonomic significance.

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“…The ecological conditions of coasts are often stressful or even critical and their flora grows under environmental unfavourable conditions, due to both natural instability and anthropogenic load (Voronkova et al 2008). As coastal dunes are found at almost all latitudes, the climate and vegetation developing on them are very diverse, covering ecological habitats which range from polar to tropical latitudes and from deserts to tropical rain forests.…”

Section: Introductionmentioning

confidence: 99%

Photosynthetic activity and water use efficiency of dune species: the influence of air temperature on functioning

Gratani¹,

Varone²,

Crescente³

2009

Photosynt.

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Differences in leaf traits among the dune species developing along the Latium coast were analysed. Cakile maritima Scop. subsp. maritima, Elymus farctus (Viv.) Runemark ex Melderis subsp. farctus, Ammophila arenaria (L.) Link subsp. australis (Mabille) Lainz, Ononis variegata L., Pancratium maritimum L., Eryngium maritimum L., and Anthemis maritima L. were considered. The considered species showed a similar net photosynthetic rate (P (N)) and chlorophyll content (Chl) during the year, with a peak from the end of April to the middle of May [13.0 +/- 3.6 mu mol (CO(2)) m(-2) s(-1) and 0.63 +/- 0.21 mg g(-1), respectively, mean values of the considered species], favoured by air temperature in the range 13.3-17.5A degrees C, and 6% of soil water availability. In June-July, the increase of air temperature (T(max) = 28.4A degrees C), associated with a lower water availability (42 mm, total rainfall of the period) and a 1% of soil water availability determined a significant decrease of P (N) (59%, mean of the considered species) and Chl (38%), and an increase of the carotenoid (Car)/Chl ratio (59%). The significant correlation between P (N) and stomatal conductance (g (s)) (p < 0.05) explained 67% of P (N) variations. Moreover, the correlation between P (N) and leaf temperature (T (l)) underlined that the favourable T (l) enabling 90-100% of the highest P (N) for the considered species was within the range 23.4 to 26.6A degrees C. P (N) decreased below half of its maximum value when T (l) was over 35.8 and 37.4A degrees C for E. farctus subsp. farctus and A. arenaria subsp. australis, respectively and over 32.2A degrees C for the other considered species (mean value). Leaf mass area (LMA) varied from 6.8 +/- 0.7 mg cm(-2) (O. variegata) to 30.6 +/- 1.6 mg cm(-2) (A. arenaria). PCA (principal component analysis) carried out using the considered morphological and physiological leaf traits underlined that the co-occurring species were characterised by different adaptive strategies: E. farctus and A. arenaria photosynthesized for a long period also when air temperature was over 35.8 and 37.4A degrees C, respectively, because of their lower transpiration rates [E, 1.4 +/- 0.1 mmol (H(2)O) m(-2) s(-1)], which seemed to be controlled by the highest LMA. On the contrary, A. maritima and C. maritima subsp. maritima had a higher P (N) (on an average 52% higher than the others) in the favourable period, allowed by the highest succulence index (SI, 85.7 +/- 9 mg cm(-2)) and the lower LMA. The results allowed us to hypothesize that A. arenaria and E. farctus might be at a competitive advantage relative to the other considered species with respect to the increase of air temperature, by their ability to photosynthesize at sufficient rates also during summer

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Morphological and biological features of plants related to their adaptation to coastal habitats

Cited by 35 publications

References 5 publications

Morpho-anatomical differentiation of Suaeda maritima (L.) Dumort. 1827. (Chenopodiaceae) populations from inland and maritime saline area

Morpho-anatomical differentiation of Suaeda maritima (L.) Dumort. 1827. (Chenopodiaceae) populations from inland and maritime saline area

Morphological, anatomical and palynological characteristics of Salvia halophila endemic toTurkey

Photosynthetic activity and water use efficiency of dune species: the influence of air temperature on functioning

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