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1,256 results for “plant biomass”
Herbivory and elevated levels of CO2 and nutrients separately, rather than synergistically, impacted biomass production and allocation in invasive and native plant species
<p><span>Large parts of the Earth are experiencing environmental change caused by alien plant invasions, rising atmospheric concentration of carbon dioxide (CO<sub>2</sub>), and nutrient enrichments. Elevated CO<sub>2</sub> and nutrient concentrations can separately favour growth of invasive plants over that of natives but how herbivory may modulate the magnitude and direction of net responses by the two groups of plants to simultaneous CO<sub>2</sub> and nutrient enrichments remains unknown. In line with the enemy release hypothesis, invasive plant species should reallocate metabolites from costly anti-herbivore defences into greater growth following escape from intense herbivory in the native range</span><span>. Therefore, invasive plants should have</span><span> greater growth than natives </span><span>under simultaneous CO<sub>2</sub> and nutrient enrichments in the absence of herbivory. To test this prediction, we grew nine congeneric pairs of invasive and native plant species that naturally co-occurred in grasslands in China under two levels each of nutrient enrichment (low-nutrient vs. high-nutrient), herbivory (with herbivory vs. without herbivory) and under ambient (412 ± 0.6 ppm) and elevated (790.1 ± 6.2 ppm) levels of CO<sub>2</sub> concentrations in open-top chambers in a common garden. Elevated CO<sub>2</sub> and nutrient enrichment separately increased total plant biomass, while herbivory reduced it regardless of the plant invasive status. High-nutrient treatment caused the plants to allocate a significantly lower proportion of total biomass to roots, while herbivory induced an opposite pattern. Herbivory suppressed total biomass production more strongly in native plants than invasive plants. The plants exhibited significant interspecific and intergeneric variation in their responses to the various treatment combinations. Overall, these results suggest that elevated CO2 and nutrients and herbivory may separately, rather than synergistically, impact productivity of the invasive and co-occurring native plant species in our study system. Moreover, interspecific variation in </span>resource-use strategies was more important than invasive status in determining plant responses to the various treatment combinations.</p>
Artificial light at night (ALAN) decreases plant diversity and performance in experimental grassland communities – Data on species biomass and traits
<p>Artificial light at night (ALAN) affects many areas of the world and is increasing globally. To date, there has been limited and inconsistent evidence regarding the consequences of ALAN on plant communities as well as the fitness of their constituent species. ALAN could be beneficial for plants as they need light as an energy source, but they also need darkness for regeneration and growth. We created model communities composed of 16 plant species sown, exposed to a gradient of ALAN ranging from 'moonlight only' to conditions like situations typically found directly underneath a streetlamp. We measured plant community composition and its production (biomass), as well as functional traits of three plant species from different functional groups (grasses, herbs, legumes) in two separate harvests. We found that biomass was reduced by 33% in the highest ALAN treatment compared to the control, Shannon diversity decreased by 43% and Evenness by 34% in the first harvest. Some species failed to establish in the second harvest. Specific leaf area, leaf dry matter content and leaf hairiness responded to ALAN. These responses suggest that plant communities will be sensitive to increasing ALAN, and they flag a need for plant conservation activities that consider impending ALAN scenarios.</p>
Data from: Biomass responses of widely and less-widely naturalized alien plants to artificial light at night
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Close to the edge: Spatial variation in plant diversity, biomass and floral resources in conventional and agri-environment cereal fields
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Effects of three-dimensional soil heterogeneity and species composition on plant biomass and biomass allocation of grass-mixtures
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Fungal, bacterial & plant biomass data: Evaluation of phenolic root exudates as stimulants of saprotrophic fungi in the rhizosphere
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Data from: Salty, mild, and low plant biomass grasslands increase top-heaviness of invertebrate trophic pyramids
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Data from: Foliar herbivory creates subtle soil legacy effects that alter future herbivores via changes in plant community biomass allocation
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Data from: Plant invasion increases soil microbial biomass carbon: Meta-analysis and empirical tests
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Mangrove diversity enhances plant biomass production and carbon storage in Hainan Island, China
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Data from: Nitrogen fixation and fertilization have similar effects on biomass allocation in nitrogen-fixing plants
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Stand biomass decreases towards the edge of a range expanding invasive plant, Mikania micrantha, but only on thick soil layers
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Soil biota modulate the effects of microplastics on biomass and diversity of plant communities
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Data from: Spatial heterogeneity of plant-soil feedbacks increases per capita reproductive biomass of species at an establishment disadvantage
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Artificial light at night (ALAN) decreases plant diversity and performance in experimental grassland communities – Data on species biomass and traits
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Optimum seeding rate for biomass sorghum in response to harvesting and planting dates in the Mid-Atlantic regions
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Location and plant spacing affect biomass yield and nutritional value of pigeon pea forage
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Plant biomass in three subalpine grasslands on Qinghai-Tibetan Plateau
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Soil property, microbial abundance, and plant and invertebrate biomass data across a natural soil temperature gradient in Iceland from August 2018
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Herbivory and elevated levels of CO2 and nutrients separately, rather than synergistically, impacted biomass production and allocation in invasive and native plant species
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OpenNeuro
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