@inproceedings{heuck_elevated_2024,
	address = {Australia},
	title = {Elevated {CO2} concentrations play a major role in influencing the functionality of {AM} fungal communities in agroecosystems},
	url = {https://esa2024.org.au/},
	abstract = {Arbuscular mycorrhizal (AM) fungi are important symbionts of most plants that can enhance nutrient uptake and resistance to abiotic stressors. Considering the potential benefits they offer plants, AM fungi could significantly contribute to sustainable agriculture, particularly as we face new challenges associated with climate change. However, our limited understanding of how agricultural practices affect the diversity and functions of AM fungi under climate change obstructs their effective use. We assessed how AM fungal communities, shaped by organic and conventional farming, influenced Sorghum bicolor performance under elevated CO2 (eCO2), water limitation, and their combination. Plant growth and development was analysed alongside AM fungal community composition using DNA metabarcoding.
Under both, water-limited and non-water-limited conditions, we observed considerable differences between eCO2 and ambient CO2 (aCO2) concentrations. Plants associated with AM fungi from conventional management produced 63\% more biomass under eCO2, while those with AM fungi from organic management produced 39\% more biomass under aCO2. Phosphorus concentrations followed a similar trend, increasing by 48\% under eCO2 and 25\% under aCO2.
Our findings suggest that AM fungi shaped by conventional management offer greater benefits to plants under eCO2, while the reverse is true under aCO2. This may be due to the fast-colonizing fungi of conventional systems more efficiently capitalising on higher carbon availability from plants under eCO2. Our study underscores the pivotal role of agricultural management in shaping the functionality of AM fungal communities for crops under climate change, emphasising the impact of eCO2 on the AM symbiosis.},
	language = {en},
	urldate = {2026-03-17},
	author = {Heuck, Meike Katharina and Powell, Jeff and Kath, Jarrod and Birnbaum, Christina and Frew, Adam},
	month = jan,
	year = {2024},
	note = {Num Pages: 1},
	pages = {319--319},
}

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However, our limited understanding of how agricultural practices affect the diversity and functions of AM fungi under climate change obstructs their effective use. We assessed how AM fungal communities, shaped by organic and conventional farming, influenced Sorghum bicolor performance under elevated CO2 (eCO2), water limitation, and their combination. Plant growth and development was analysed alongside AM fungal community composition using DNA metabarcoding. Under both, water-limited and non-water-limited conditions, we observed considerable differences between eCO2 and ambient CO2 (aCO2) concentrations. Plants associated with AM fungi from conventional management produced 63% more biomass under eCO2, while those with AM fungi from organic management produced 39% more biomass under aCO2. Phosphorus concentrations followed a similar trend, increasing by 48% under eCO2 and 25% under aCO2. Our findings suggest that AM fungi shaped by conventional management offer greater benefits to plants under eCO2, while the reverse is true under aCO2. This may be due to the fast-colonizing fungi of conventional systems more efficiently capitalising on higher carbon availability from plants under eCO2. Our study underscores the pivotal role of agricultural management in shaping the functionality of AM fungal communities for crops under climate change, emphasising the impact of eCO2 on the AM symbiosis.","language":"en","urldate":"2026-03-17","author":[{"propositions":[],"lastnames":["Heuck"],"firstnames":["Meike","Katharina"],"suffixes":[]},{"propositions":[],"lastnames":["Powell"],"firstnames":["Jeff"],"suffixes":[]},{"propositions":[],"lastnames":["Kath"],"firstnames":["Jarrod"],"suffixes":[]},{"propositions":[],"lastnames":["Birnbaum"],"firstnames":["Christina"],"suffixes":[]},{"propositions":[],"lastnames":["Frew"],"firstnames":["Adam"],"suffixes":[]}],"month":"January","year":"2024","note":"Num Pages: 1","pages":"319–319","bibtex":"@inproceedings{heuck_elevated_2024,\n\taddress = {Australia},\n\ttitle = {Elevated {CO2} concentrations play a major role in influencing the functionality of {AM} fungal communities in agroecosystems},\n\turl = {https://esa2024.org.au/},\n\tabstract = {Arbuscular mycorrhizal (AM) fungi are important symbionts of most plants that can enhance nutrient uptake and resistance to abiotic stressors. Considering the potential benefits they offer plants, AM fungi could significantly contribute to sustainable agriculture, particularly as we face new challenges associated with climate change. However, our limited understanding of how agricultural practices affect the diversity and functions of AM fungi under climate change obstructs their effective use. We assessed how AM fungal communities, shaped by organic and conventional farming, influenced Sorghum bicolor performance under elevated CO2 (eCO2), water limitation, and their combination. Plant growth and development was analysed alongside AM fungal community composition using DNA metabarcoding.\nUnder both, water-limited and non-water-limited conditions, we observed considerable differences between eCO2 and ambient CO2 (aCO2) concentrations. Plants associated with AM fungi from conventional management produced 63\\% more biomass under eCO2, while those with AM fungi from organic management produced 39\\% more biomass under aCO2. Phosphorus concentrations followed a similar trend, increasing by 48\\% under eCO2 and 25\\% under aCO2.\nOur findings suggest that AM fungi shaped by conventional management offer greater benefits to plants under eCO2, while the reverse is true under aCO2. This may be due to the fast-colonizing fungi of conventional systems more efficiently capitalising on higher carbon availability from plants under eCO2. Our study underscores the pivotal role of agricultural management in shaping the functionality of AM fungal communities for crops under climate change, emphasising the impact of eCO2 on the AM symbiosis.},\n\tlanguage = {en},\n\turldate = {2026-03-17},\n\tauthor = {Heuck, Meike Katharina and Powell, Jeff and Kath, Jarrod and Birnbaum, Christina and Frew, Adam},\n\tmonth = jan,\n\tyear = {2024},\n\tnote = {Num Pages: 1},\n\tpages = {319--319},\n}\n\n\n\n","author_short":["Heuck, M. 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