Environment‐driven changes in diversity of riparian plant communities along a mountain river

Flores-Galicia, Nihaib; Trejo, Irma; Ramírez‐Marcial, Neptalí

doi:10.1002/ece3.7472

Cited by 3 publications

(7 citation statements)

References 48 publications

(87 reference statements)

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“…The ability of transformation between soil ammonium and nitrate nitrogen differed among plant communities as affected by soil physicochemical properties (Ma et al, 2019). In the dimension of river width, the soil EC and SOC content become the most important constraints on plant species diversity in the riparian zone due to the elevation difference caused by microtopographic changes and the limitation of the distance from the river, which was consistent with the results of previous studies (Zhang et al, 2015;Zeng et al, 2020;Flores-Galicia et al, 2021). In addition, factors such as differences in the intensity of anthropogenic activities around the sample sites could affect the content of soil mineral nutrients, thereby affecting the composition and diversity of plant communities (Yang et al, 2022).…”

Section: Main Soil Physicochemical Factors Affecting Plant Species Di...supporting

confidence: 91%

Spatial variation patterns of vegetation and soil physicochemical properties of a typical inland riverscape on the Mongolian plateau

Fu²,

Liu³

et al. 2023

Front. Environ. Sci.

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The spatial distribution and heterogeneity of soil and vegetation, as the root of the maintenance of ecosystem services in the riparian zone, play a decisive role in the ecological functions of the riverscape. In this study, a field survey of wetland plant communities and soil sampling were conducted in both longitudinal and lateral dimensions from the perspective of the riverscape of the Ulgai River, a typical inland river on the Mongolian Plateau. The diversity of wetland plant communities, soil physicochemical properties, and the correlations between them were systematically analyzed. The results showed that a total of 87 species belonging to 65 genera and 24 families of plants were present, with Asteraceae, Poaceae, and Cyperaceae as the main families. The plant composition and species diversity in the riparian zone at different dimensions showed obvious spatial patterns of succession. Although the correlation coefficient and significance of the physicochemical properties of river length and river width in the study area were different, most correlations remained consistent, among which soil moisture, soil pH, and total carbon were correlated with many physicochemical factors. The soil ammonium and nitrate nitrogen along the river length direction and electrical conductivity and organic carbon content along the river width direction were the main limiting factors affecting the diversity and distribution of plant species in the riparian zone based on the redundancy analysis. This study provides a theoretical basis for the continuous improvement of the current soil quality and the restoration of the degraded wetland ecosystems of inland rivers in arid and semi-arid regions, as well as a new perspective for the study of riverscape ecology.

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Section: Main Soil Physicochemical Factors Affecting Plant Species Di...supporting

confidence: 91%

Spatial variation patterns of vegetation and soil physicochemical properties of a typical inland riverscape on the Mongolian plateau

Fu²,

Liu³

et al. 2023

Front. Environ. Sci.

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“…The RHC proposes that the number of plant species increases to a maximum point in the intermediate zone of rivers, after which it decreases towards its mouth, these changes are associated with: (i) a linear increase of the disturbance in the riparian zones at along the river and (ii) a constant increase in the number of species and propagules dispersed hydrochory (Nilsson et al, 1994(Nilsson et al, , 2010. As there is no increase in the deposition of species and propagules downstream, the patterns of diversity of the riparian plant communities that the RHC proposes was not observed in the rivers of mountainous systems (see e.g., Flores-Galicia et al, 2021;Pielech, 2021).…”

Section: Discussionmentioning

confidence: 99%

“…Strahler order of rivers ranges from 1 at sites in the smallest rivers (headwaters) to 5 at sites that are located on the largest rivers (downstream). The discharge ranges from 0.01 to 2.5 L/s and has a negative relationship with altitude (Flores‐Galicia et al, 2021). The climate in the upper part of the watershed corresponds to humid temperate with summer rains and in the lower and middle part it corresponds mainly to sub‐humid temperate with summer rains.…”

Section: Methodsmentioning

confidence: 99%

“…apulcensis-Quercus crassifolia towards the middle and low areas of the watershed (Piña & Trejo, 2014). The vegetation of the riparian zone changes along the streams, in the headwaters arboreal elements of species such as A. hickelli, Pinus spp., Quercus spp., towards the intermediate parts Alnus acuminata, Oreopanax xalapensis and Meliosma dentata, while in the lower areas A. acuminata and Salix humboldtiana were observed (Flores-Galicia et al, 2021).…”

Section: Study Areamentioning

confidence: 97%

“…The discharge ranges from 0.01 to 2.5 L/s and has a negative relationship with altitude (Flores-Galicia et al, 2021). The climate in the upper part of the watershed corresponds to humid temperate with summer rains and in the lower and middle part it corresponds mainly to subhumid temperate with summer rains.…”

Section: Study Areamentioning

confidence: 99%

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Temporal and spatial variations of propagule deposition in the riparian zones of mountain rivers

Flores‐Galicia,

Trejo

2023

River Research & Apps

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Although dispersal is important for riparian plants, few studies have evaluated the variations of species richness and composition of propagules deposited by different dispersal mechanisms. In the present study, we evaluate the temporal and spatial variations in the diversity of propagules deposited by hydrochory and by other types of dispersal along mountain rivers. We sampled the propagules deposited in the riparian zone on a distance gradient with respect to the site of origin of the rivers in two seasons. We found no differences in the number of propagules between seasons. In the rainy season, we observed a greater number of species deposited by hydrochory, while for other types of dispersal there was a greater number of species in the dry season. Differences in composition were observed for hydrochory but not for other types of dispersal. There were no changes in the number of propagules deposited along the river by hydrochory, while for other types of dispersal an increase was observed in the dry season. A lower number of species deposited by hydrochory along the river was observed during the rainy season. Finally, we observed that turnover increases for other types of dispersal in the dry season but not for hydrochory. The results underline the importance of types of dispersal other than hydrochory in the contribution of propagules dispersed and the temporal and spatial particularities of the hydrochory in mountain rivers.

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Spatial Distribution of Vegetation on Stream Bars and the Riparian Zone Reflects Successional Pattern Due to Fluid Dynamics of River

Seok

Lim

Moon

et al. 2023

Water

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The river is a dynamic space where erosion, transportation, and sedimentation are constantly occurring due to running water. This study aims to reveal the change in geomorphology caused by the flow characteristics of water in rivers and the response of vegetation to that. This study was carried out by clarifying the spatially appearing successional trends in the vegetation established in the stream bars and the riparian zones, which are located on different topographic conditions based on the vegetation profile, ordination result, and species diversity. The spatial distribution of vegetation on the stream bars tended to appear in the order of annual plant-, perennial plant-, and tree-dominated stands from the upstream toward a downstream direction (a gravel bar and a sand bar in a mountain gravel-bed river and an estuary, respectively) or the reversed one (a sand bar in a lowland river). The spatial distribution of vegetation on the riparian zones tended to appear in the order of annual plant-, perennial plant-, and tree-dominated stands from the waterfront toward the bank direction. Changes in species composition also differed depending on the spatial location, showing a similar trend to the spatial distribution of vegetation. Species diversity became higher in proportion to the longevity of the dominant species of each vegetation type. In conclusion, the longitudinal distribution pattern of vegetation on the stream bars resembles the lateral distribution of riparian vegetation, and the successional trends follow the spatial distribution pattern. These results suggest that the dynamics of bed loading, an allogenic process, may be an important determinant of the spatial distribution and succession of plant communities in dynamic riverine environments.

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Environment‐driven changes in diversity of riparian plant communities along a mountain river

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 3 publications

References 48 publications

Spatial variation patterns of vegetation and soil physicochemical properties of a typical inland riverscape on the Mongolian plateau

Spatial variation patterns of vegetation and soil physicochemical properties of a typical inland riverscape on the Mongolian plateau

Temporal and spatial variations of propagule deposition in the riparian zones of mountain rivers

Spatial Distribution of Vegetation on Stream Bars and the Riparian Zone Reflects Successional Pattern Due to Fluid Dynamics of River

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