scholarly journals Shape shifting by amphibious plants in dynamic hydrological niches

2019 ◽  
Vol 229 (1) ◽  
pp. 79-84 ◽  
Author(s):  
Hans Veen ◽  
Rashmi Sasidharan
Keyword(s):  
Amphibious Plants

scholarly journals Updated checklist of aquatic macrophytes from Northern Brazil

2015 ◽  
Vol 45 (2) ◽  
pp. 111-132 ◽  
Author(s):  
Edson Gomes de MOURA JÚNIOR ◽  
Raíssa Maria Sampaio de PAIVA ◽  
Angélica Cândida FERREIRA ◽  
Lucília Dias PACOPAHYBA ◽  
Aldaléa Sprada TAVARES ◽  
...  
Keyword(s):  
Aquatic Macrophytes ◽  
Floristic Similarity ◽  
Field Collection ◽  
Biogeographic Patterns ◽  
Total Species Richness ◽  
Amphibious Plants ◽  
Aquatic Flora ◽  
Bibliographic Search ◽  
Northern Brazil ◽  
Total Species

Field collection and herbaria data did not allow to quantify the diversity of aquatic plants from Northern Brazil, so we could not detect biogeographic patterns. Therefore, our objectives were to identify and quantify the aquatic macrophytes of North Brazilian states, analyzing herbaria data plataforms (SpeciesLink and Flora do Brasil). The checklist was produced by bibliographic search (articles published between 1980 and 2000), herbaria collections of the platforms SpeciesLink and Flora do Brasil and field expeditions, where we utilized asystematic sampling. We also analyzed the floristic similarity of aquatic macrophytes among Northern Brazil, wetlands of distinct Brazilian regions and the Neotropics. We recorded 539 species, of which 48 are endemic to Brazil. The states with highest number of species were Amazonas and Pará, independently on platform. The most represented families were Poaceae (89 species), Podostemaceae (55), Cyperaceae (50) and Fabaceae (47). We highlight the unprecedent richness of Podostemaceae, due to our own field collection efforts on favorable habitats, 25 species being endemic. Emergent and/or amphibious plants (515) were dominant in total species richness and were best represented in lotic habitats. We found significant differences in richness and floristics among states, obtained from the platforms. There is floristic similarity among Northern states and other Brazilian wetlands. In conclusion, we observed a rich aquatic flora in Northern Brazil, in spite of scarcity of records for Acre, Rondonia and Tocantins; we highlight the unprecedent number of endemic species of Podostemaceae (25) and contrasting richness between SpeciesLink and Flora do Brasil.

scholarly journals Anatomical and ultrasculptural features of lateral root formation in some amphibious plants

2014 ◽  
Vol 71 (1) ◽  
pp. 83-89 ◽  
Author(s):  
I.V. Zhupanov ◽  
Keyword(s):  
Lateral Root ◽  
Root Formation ◽  
Lateral Root Formation ◽  
Amphibious Plants

scholarly journals Correction to: Periodic inundations drive community assembly of amphibious plants in floodplain lakes

Hydrobiologia ◽  
2020 ◽  
Vol 847 (20) ◽  
pp. 4219-4219
Author(s):  
Xueqin Liu ◽  
Saibo Yuan ◽  
Hongzhu Wang
Keyword(s):  
Community Assembly ◽  
Floodplain Lakes ◽  
Amphibious Plants

Photon-harvesting efficiency and arbuscular mycorrhiza in amphibious plants

2009 ◽  
Vol 47 (1) ◽  
pp. 61-67 ◽  
Author(s):  
N. Sraj-Krzic ◽  
P. Pongrac ◽  
M. Regvar ◽  
A. Gaberscik
Keyword(s):  
Arbuscular Mycorrhiza ◽  
Amphibious Plants ◽  
Harvesting Efficiency

Photosynthesis and photorespiration in freshwater organisms: Amphibious plants

1989 ◽  
Vol 34 (1-3) ◽  
pp. 267-286 ◽  
Author(s):  
S.C. Maberly ◽  
D.H.N. Spence
Keyword(s):  
Freshwater Organisms ◽  
Amphibious Plants

The effects of carbon dioxide on the growth and development of amphibious plants

1969 ◽  
Vol 47 (11) ◽  
pp. 1803-1807 ◽  
Author(s):  
J. Michael Bristow
Keyword(s):  
Carbon Dioxide ◽  
Nutrient Medium ◽  
Growth And Development ◽  
Normal Growth ◽  
Growing Season ◽  
Solid Substrate ◽  
Submerged Plants ◽  
Land Form ◽  
Amphibious Plants ◽  
High Concentrations

When grown in a stream of 5% CO2 in air on a solid substrate, the heterophyllous amphibious species Ranunculus flabellaris and Myriophyllum brasiliense developed many characteristics of the water form. Plants of the same clones grown in 0.03% CO2 exhibited the land form. Submerged plants grew rapidly when 5% CO2 in air was bubbled through the nutrient medium, and exhibited the typical water form, while plants kept in 0.03% CO2 grew poorly, and the small leaves which developed were intermediate in morphology between the land and water forms. These results are similar to those obtained previously with Marsilea. None of these species were able to utilize bicarbonate. The stream from which the Ranunculus used in the experiments was collected contained high concentrations of dissolved free CO2 during part of the growing season. Thus concentrations of free CO2 higher than those in air may be essential for the normal growth and development of submerged amphibious plants.

scholarly journals Bryophytes as a safeguard of fruits from postharvest fungal diseases: A Review

2022 ◽  
Author(s):  
Supriya Joshi ◽  
Prerna Bhardwaj ◽  
Afroz Alam
Keyword(s):  
Drug Resistance ◽  
Fungal Pathogens ◽  
Fruits And Vegetables ◽  
Antifungal Agents ◽  
Green Technology ◽  
Land Plants ◽  
Protective Mechanism ◽  
Commercial Scale ◽  
Amphibious Plants ◽  
Regular Practice

Postharvest losses from fungal pathogens to essential fruits and vegetables are enormous and alarming. Orthodox synthetic fungicides are being used as a regular practice to restrict these losses. However, now by knowing the hazards of these chemical-based fungicides, the situation demands alternative green technology. Consequently, many angiosperms plant extracts have been evaluated for their antifungal nature and achieved substantial success. However, the second most prevalent flora on land, i.e. bryophytes, have been scarcely used and somewhat remain neglected besides their remarkable thallus organization, water relations and antimicrobial potential. For postharvest fungus control, these bryophytes, the first land plants' extracts to be researched and promoted due to concerns about drug resistance, nephrotoxicity and biomagnification related to current synthetic fungicides. Since these amphibious plants have their unique protective mechanism against fungal or bacterial attacks due to their unique phytochemistry, therefore have great potential to be used as eco-friendly fungicides. Considering these factors, this article seeks to direct the attention of interested researchers toward the relatively accessible but vast underutilised bryo-diversity to investigate their remarkable potential as postharvest antifungal agents first in laboratories and then on a commercial scale in the future.

scholarly journals Probing the Response of the Amphibious Plant Butomus umbellatus to Nutrient Enrichment and Shading by Integrating Eco-Physiological With Metabolomic Analyses

2020 ◽  
Vol 11 ◽  
Author(s):  
Paraskevi Manolaki ◽  
Georgia Tooulakou ◽  
Caroline Urup Byberg ◽  
Franziska Eller ◽  
Brian K. Sorrell ◽  
...  
Keyword(s):  
Nutrient Enrichment ◽  
Higher Plants ◽  
Profile Analysis ◽  
Light Availability ◽  
Biomass Accumulation ◽  
Physiological Adaptation ◽  
Gas Chromatography Mass Spectrometry ◽  
Physiological Parameter ◽  
Natural Ecosystem ◽  
Amphibious Plants

Amphibious plants, living in land-water ecotones, have to cope with challenging and continuously changing growth conditions in their habitats with respect to nutrient and light availability. They have thus evolved a variety of mechanisms to tolerate and adapt to these changes. Therefore, the study of these plants is a major area of ecophysiology and environmental ecological research. However, our understanding of their capacity for physiological adaptation and tolerance remains limited and requires systemic approaches for comprehensive analyses. To this end, in this study, we have conducted a mesocosm experiment to analyze the response of Butomus umbellatus, a common amphibious species in Denmark, to nutrient enrichment and shading. Our study follows a systematic integration of morphological (including plant height, leaf number, and biomass accumulation), ecophysiological (photosynthesis-irradiance responses, leaf pigment content, and C and N content in plant organs), and leaf metabolomic measurements using gas chromatography-mass spectrometry (39 mainly primary metabolites), based on bioinformatic methods. No studies of this type have been previously reported for this plant species. We observed that B. umbellatus responds to nutrient enrichment and light reduction through different mechanisms and were able to identify its nutrient enrichment acclimation threshold within the applied nutrient gradient. Up to that threshold, the morpho-physiological response to nutrient enrichment was profound, indicating fast-growing trends (higher growth rates and biomass accumulation), but only few parameters changed significantly from light to shade [specific leaf area (SLA); quantum yield (φ)]. Metabolomic analysis supported the morpho-physiological results regarding nutrient overloading, indicating also subtle changes due to shading not directly apparent in the other measurements. The combined profile analysis revealed leaf metabolite and morpho-physiological parameter associations. In this context, leaf lactate, currently of uncertain role in higher plants, emerged as a shading acclimation biomarker, along with SLA and φ. The study enhances both the ecophysiology methodological toolbox and our knowledge of the adaptive capacity of amphibious species. It demonstrates that the educated combination of physiological with metabolomic measurements using bioinformatic approaches is a promising approach for ecophysiology research, enabling the elucidation of discriminatory metabolic shifts to be used for early diagnosis and even prognosis of natural ecosystem responses to climate change.

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