Metabolic and Stomatal Traits of Pancratium maritimum L. (Sand Daffodil) Subjected to Induced Salinity DOI Creative Commons
John Pouris, Sophia Rhizopoulou

Stresses, Journal Year: 2025, Volume and Issue: 5(1), P. 14 - 14

Published: Feb. 14, 2025

Pancratium maritimum L. (sea or sand daffodil) —which is a perennial geophyte native to coastal habitats of the Mediterranean region—was used investigate effect applied salinity on leaves and bulbs. Three groups potted bulbs growing in growth chamber were irrigated using aqueous sodium chloride solutions (1.5%, 3%, 6%) one group was with distilled water. Substantial fluctuations proline accumulation, soluble sugars, starch content have been investigated plants response induced salinity. The highest leaf sugar (239.78 mg/g d.w.) bulb (213.31 d.w.), as well lowest accumulation (10.5 μmol/g found samples from subjected 1.5% NaCl. In bulbs, elevated (500 627 3% NaCl, respectively. stomatal density differed among apical, middle, basal parts same blade treatment; values (12,778 stomata/cm2) detected apical part (1407 solution. number adjacent stomata connected structural strand varied while it quite similar comparable 6%; this trait may counterbalance functional implications estimated under conditions. According results, there some consensus that NaCl simulate natural habitat P. maritimum, therefore being helpful framework for sustainable horticulture regions.

Language: Английский

Predicting climate-driven shift of the East Mediterranean endemic Cynara cornigera Lindl DOI Creative Commons
Heba Bedair,

Yehia Hazzazi,

Asmaa Abo Hatab

et al.

Frontiers in Plant Science, Journal Year: 2025, Volume and Issue: 16

Published: Feb. 20, 2025

Climate change poses significant challenges to the distribution of endemics in Mediterranean region. Assessing impact climate on patterns is critical importance for understanding dynamics these terrestrial ecosystems under uncertainty future changes. The population size Cynara cornigera has declined significantly over previous century across its geographical This decline linked how ongoing affecting natural resources like water and capacity foraging sites. In fact, it distributed 3 fragmented locations Egypt (Wadi Hashem (5 individuals), Wadi Um Rakham (20 Burg El-Arab (4 individuals)). this study, we examined C. cornigera's response predicted next few decades (2020-2040 2061-2080) using species models (SDMs). Our analysis involved inclusion bioclimatic variables, SDM modeling process that incorporated five algorithms: generalized linear model (GLM), Random Forest (RF), Boosted Regression Trees (BRT), Support Vector Machines (SVM), Generalized Additive Model (GAM). ensemble obtained high accuracy performance outcomes with a mean AUC 0.95 TSS 0.85 overall model. Notably, RF GLM algorithms outperformed other algorithms, underscoring their efficacy predicting Analysis relative variables revealed Precipitation wettest month (Bio13) (88.3%), warmest quarter (Bio18) (30%), driest (Bio14) (22%) as primary drivers shaping potential cornigera. findings spatial variations habitat suitability, highest observed Egypt, (especially Arishian sub sector), Palestine, Morocco, Northern Cyprus, different islands Sea Crete. Furthermore, our range would drop by more than 25% during decades. Surprisingly, area (SSP 126 scenario) 2061 2080 showed there increase suitable habitats area. It suitability along coastal strip Spain, Sardinia, Algeria, Tunisia, Libya, Lebanon, Aegean islands.

Language: Английский

Citations

2
Functional and habitat characteristics associated with nativeness, rarity, and invasiveness in the aquatic vascular flora of Sardinia DOI Creative Commons
Mauro Fois, Alba Cuena‐Lombraña, Jennifer Nagel Boyd

et al.

Global Ecology and Conservation, Journal Year: 2025, Volume and Issue: unknown, P. e03482 - e03482

Published: Feb. 1, 2025

Language: Английский

Citations

1
Metabolic and Stomatal Traits of Pancratium maritimum L. (Sand Daffodil) Subjected to Induced Salinity DOI Creative Commons
John Pouris, Sophia Rhizopoulou

Stresses, Journal Year: 2025, Volume and Issue: 5(1), P. 14 - 14

Published: Feb. 14, 2025

Pancratium maritimum L. (sea or sand daffodil) —which is a perennial geophyte native to coastal habitats of the Mediterranean region—was used investigate effect applied salinity on leaves and bulbs. Three groups potted bulbs growing in growth chamber were irrigated using aqueous sodium chloride solutions (1.5%, 3%, 6%) one group was with distilled water. Substantial fluctuations proline accumulation, soluble sugars, starch content have been investigated plants response induced salinity. The highest leaf sugar (239.78 mg/g d.w.) bulb (213.31 d.w.), as well lowest accumulation (10.5 μmol/g found samples from subjected 1.5% NaCl. In bulbs, elevated (500 627 3% NaCl, respectively. stomatal density differed among apical, middle, basal parts same blade treatment; values (12,778 stomata/cm2) detected apical part (1407 solution. number adjacent stomata connected structural strand varied while it quite similar comparable 6%; this trait may counterbalance functional implications estimated under conditions. According results, there some consensus that NaCl simulate natural habitat P. maritimum, therefore being helpful framework for sustainable horticulture regions.

Language: Английский

Citations

0