Spartina alterniflora invasion alters soil bacterial communities and enhances soil N2O emissions by stimulating soil denitrification in mangrove wetland

Potential Pathway of Nitrous Oxide Formation in Plants

“…The roles of plants in N 2 O emission to the atmosphere are diverse. Plants can not only modify soil characteristics and subsequently influence N 2 O production in the soil (Gao et al, 2019) but also produce it in significant amounts and release it to the atmosphere (Lenhart et al, 2019). Thus, understanding the pathway of N 2 O formation and the contribution of plants to total emission is essential to accurately estimate the global N 2 O budget.…”

Distinct Community Assembly Processes of Abundant and Rare Soil Bacteria in Coastal Wetlands along an Inundation Gradient

“…K. obovata is regarded as a nutrient-limited species in subtropical coastal wetlands (34), while S. alterniflora has a strong environmental adaptability and a high degree of phenotypic plasticity (35)(36)(37). In China, the invasion of S. alterniflora into mangroves can change soil microbial community, ultimately resulting in large differences in the associated ecological functions and responses toward environmental changes (38,39). Nevertheless, little is known about the impact of S. alterniflora invasion on microbial community assembly in mangroves, which compromises the understanding and prediction of the effects of S. alterniflora invasion on mangrove soil microbial communities.…”

Disentangling Archaeal and Bacterial Biogeography and Co-occurrence Networks in Subtropical Mangrove Sediments Under Spartina Alterniflora Invasion

“…Spartina alterni ora invasion changed bacterial and archaeal community assembly and co-occurrence patterns S. alterni ora have been aggressive invaders of coastal habitats worldwide. Whereas most studies focused on S. alterni ora invasion altered the community abundance and diversity of related functional microorganisms, and affected C, N, and S cycles [7,51]. The impact of invasion on community assembly and network structure was poorly understood.…”

“…Extensive studies have showed that S. alterni ora invasion may alter mangrove ecosystem functions through a variety of mechanisms, such as changing plant, animal and microbial biodiversity [5,6] and carbon or nitrogen cycling (e.g. soil N 2 O emissions) [7]. Whereas the effect of the S. alterni ora invasion on mangrove microbial biogeography and species interactions remains unclear.…”