应用生态学报最新文献

{"title":"Research advances in using seaweed fertilizers to mitigate plant water stress.","authors":"Wen-Jing Guo, Teng-Yu Yan, Zong-Kang Wang, Nan Zeng, Yue-Lu Jiang","doi":"10.13287/j.1001-9332.202503.036","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.036","url":null,"abstract":"<p><p>Water stress has a profound and widespread impacts on agriculture globally, leading to slower plant growth, lower yields, and poorer quality. To meet this challenge, the application of seaweed fertilizer came into being. Seaweed fertilizer is rich in polysaccharides, proteins, lipids, plant hormones, minerals, and various other bioactive components, with great potential in water retention and nutrient provision. We systematically summarized the latest research progress on the role of seaweed fertilizers in mitigating water stress, with a focus on elucidating the mechanisms by which seaweed fertilizer enhances stress tolerance of plants. It significantly improves plant growth and yield, promotes root growth and nutrient uptake, ameliorates soil conditions, and enhances plant resis-tance to stress. Additionally, we put forward the challenges associated with the practical application of seaweed fertilizers in agriculture and the future research directions, aiming to provide alternative solutions for the sustainable goals and healthy development of global agriculture.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"950-968"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Decomposition characteristics of litter from four plant species in a light-limited aquatic environment of south China.","authors":"Zi-Rong Huang, Li-Sha Li, Gai-Ren Yang, Jia-Hao Tan, Yu Huang","doi":"10.13287/j.1001-9332.202503.007","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.007","url":null,"abstract":"<p><p>The shading of revetment trees and lake herbaceous plants has formed a unique environment of light limi-ting in some water areas of southern lakes. We conducted laboraoty decomposition experiments to analyze the resi-dual amount of decomposition substrates, lignin and cellulose content during the decomposition of fallen leaves of woody plants (<i>Osmanthus fragrans</i> and <i>Ficus microcarpa</i>) and herbaceous plants (<i>Canna glauca</i> and <i>Myriophyllum verticillatum</i>). The aim was to explore the decomposition of fallen leaves and the degradation of lignin and cellulose of woody and herbaceous plants. The results showed that after 140 days of decomposition, the mass loss rates of <i>O. fragrans</i>, <i>F. microcarpa</i>, <i>C. glauca</i>, and <i>M. verticillatum</i> were 46.0%, 42.3%, 74.4%, and 68.6%, respectively. The decomposition rate of woody plants was significantly lower than herbaceous plants. In the early stage of decomposition (0-7 days), the mass loss rate and decomposition rate (<i>k</i>) were the highest throughout the entire experiment for all the four species. The cellulose of the four plants showed a state of high degradation, and the lignin degradation rates of <i>O. fragrans</i> (42.9%) and <i>F. microcarpa</i> (38.9%) were significantly higher than herbaceous plants. The lignin degradation rate of <i>O. fragrans</i> was significantly positively correlated with <i>k</i> value, while the lignin and cellulose degradation rates of <i>F. microcarpa</i> and herbaceous plants were not significantly correlated with <i>k</i> value, indicating that lignin degradation might be a key factor affecting the decomposition of woody plants in shaded water environments and regulating carbon cycling in shaded lakes.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"755-761"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatiotemporal distribution of <i>Lagocephalus spadiceus</i> and the relationship with environmental factors in the Beibu Gulf.","authors":"Hao Xu, Liang-Liang Huang, Cai-Guang Wang, Yi-Heng Yang, Jian-Qiang Song, Peng Xu, Zhi-Qiang Wu","doi":"10.13287/j.1001-9332.202503.035","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.035","url":null,"abstract":"<p><p>To elucidate the influence of marine environmental factors on the distribution of <i>Lagocephalus spadiceus</i>, we analyzed fisheries and environmental survey data from the Beibu Gulf in April (spring) and August (autumn), 2022. We used the generalized additive model (GAM) to examine the relationship between the distribution of <i>L. spadiceus</i> and marine environmental factors, both before and after the implementation of a fishing moratorium. We showed that the density of <i>L. spadiceus</i> in the Beibu Gulf exhibited significant spatio-temporal variation, which concentrated in the central and northern parts of the gulf during spring and autumn, respectively. Such variation in resource density may be attributed to factors such as chlorophyll a content, salinity, pH, and latitude. The GAM accounted for 91.3% of the cumulative variance in resource density. The resource density of <i>L. spadiceus</i> increased with the increases of chlorophyll content, while it began to decrease after chlorophyll reaching 5 μg·L^-1. Both salinity and pH demonstrated a nonlinear relationship with resource density, characterized by multiple peaks, while latitude was positively correlated with resource density. This research provides valuable scientific evidence for the conservation of <i>L. spadiceus</i> resources.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"903-910"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144085818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of litters from <i>Juglans mandshurica</i> and <i>Larix gmelinii</i> on the growth of <i>J</i>. <i>mandshurica</i> seedlings.","authors":"Yi-Bing Yang, Cheng-Feng Shan, Fang-Yuan Shen, Li-Xue Yang","doi":"10.13287/j.1001-9332.202503.002","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.002","url":null,"abstract":"<p><p>We conducted a pot experiment to examine the effects of different proportions (CK: no litter; H₁₀L₀: <i>Juglans</i> <i>mandshurica</i> 10 g; H₇L₃: <i>J</i>. <i>mandshurica</i> 7 g + <i>Larix gmelinii</i> 3 g; H₅L₅: <i>J</i>. <i>mandshurica</i> 5 g + <i>L</i>. <i>gmelinii</i> 5 g; H₃L₇: <i>J</i>. <i>mandshurica</i> 3 g + <i>L</i>. <i>gmelinii</i> 7 g; H₀L₁₀: <i>L</i>. <i>gmelinii</i> 10 g) of <i>J</i>. <i>mandshurica</i> and <i>L</i>. <i>gmelinii</i> litter on nutrients and phenols content in the substrate, and on the growth and physiological characteristics of <i>J</i>. <i>mandshurica</i> seedlings. The results showed that litter input significantly affected ammonium nitrogen, available phosphorus, and phenols contents in the substrate. The content of substrate nutrients (except available phosphorus) was the highest when <i>J</i>. <i>mandshurica</i> and <i>L</i>. <i>gmelinii</i> litter were mixed in equal proportion (H₅L₅). The total phenols and water-soluble phenols contents in the substrate decreased as the proportion of <i>L</i>. <i>gmelinii</i> litter increased, while those of H₀L₁₀ treatment were significantly reduced by 22.7% and 25.3%, respectively. The addition of <i>L</i>. <i>gmelinii</i> litter could effectively promote the growth of <i>J</i>. <i>mandshurica</i> seedlings. The synthetical allelopathic index (<i>M</i>_R) of H₃L₇ and H₀L₁₀ treatments was higher than that of H₁₀L₀ and H₇L₃ treatments, with the highest value under H₀L₁₀ treatment (<i>M</i>_R=-0.07). Litter inputs significantly increased net photosynthetic rate, stomatal conductance, intercellular CO₂ concentration, and transpiration rate of <i>J</i>. <i>mandshurica</i> seedlings. The content of malondialdehyde (MDA) was the highest and net photosynthesis rate was the lowest in CK. Seedlings under H₀L₁₀ treatment had the best growth, with the lowest MDA content, and the highest net photosynthesis rate, which significantly increased 101.6%. The addition of <i>L</i>. <i>gmelinii</i> litter could alleviate the autotoxicity of <i>J</i>. <i>mandshurica</i> seedlings and stimulate their growth. The high litter proportion of <i>L</i>. <i>gmelinii</i> promoted the growth and physiological characteristics of <i>J. mandshurica</i> seedlings.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"703-710"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Research progress on the width of ecological corridors in ecological security pattern.","authors":"Ying Zhou, Zhe Feng, Qian Lin, Jia-Bin Wang, Ke-Xin Zhang, Ke-Ning Wu","doi":"10.13287/j.1001-9332.202503.024","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.024","url":null,"abstract":"<p><p>As an important part of ecological security pattern, the scientific setting of the width of ecological corridors is a crucial part of the planning and design. We reviewed literature about ecological corridor width, comprehensively sorted out relevant theories, summarized the extraction methods of ecological corridor width, and put forward future research directions. There are four categories of methods for extracting the width of ecological corridors: determining the width based on the range of movement of protected targets, referencing previous research, considering the cumulative current changes in circuit theory, or combining with other models. The influencing factors included ecological needs of protection targets, edge effects of corridors, construction costs, policy priorities, and others. There are different methods for determining the width of ecological corridors, but the degree of refinement needs to be improved. Future research should focus on the theoretical basis of ecological corridor width, refined setting methods, effectiveness verification, shape, <i>etc</i>. This review could provide effective ideas for ecological corridor width research and enhance the feasibility of its implementation.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"918-926"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Changes of remote sensing vegetation phenology in Beijing-Tianjin-Hebei region under the background of urbanization.","authors":"Yi-Wei Hua, Dan Meng, Fei-Fan Hu, Yue Zhao, Cong-Cong Zhang, Xiao-Juan Li","doi":"10.13287/j.1001-9332.202503.022","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.022","url":null,"abstract":"<p><p>Urban environments face numerous challenges, including an increase in impervious surfaces, intensification of heat island effect, and severe air pollution, which all affect urban vegetation phenology. We reconstructed the time series of MOD13Q1 enhanced vegetation index data for the Beijing-Tianjin-Hebei region during 2002-2021, extracted the vegetation phenology index based on the dynamic threshold method, and examined the dyna-mics of vegetation phenology under a urbanization gradient. The results showed that the start of growing season (SOS) occurred earlier in the southeastern region of Beijing-Tianjin-Hebei, the end of growing season (EOS) was later in the central and southwestern regions, and the growing season length (GSL) was extended in the central and southeastern regions. SOS had been advanced and EOS had been delayed in most areas of Beijing-Tianjin-Hebei, leading to a significant extension of the GSL. The phenological trends were generally consistent across different vegetation types, with specific manifestations varied. The advance in SOS was most pronounced in farmland. The delay in EOS was greatest in forests. The extension of GSL was most substantial in farmland. During 2002-2021, for every 10% increase in the proportion of impervious surface percentage (ISP), SOS advanced by 1.28 day, EOS was delayed by 1.33 day, and GSL was extended by 2.2 days. With increasing ISP, land surface temperature initially rose but stabilized once it exceeded 40%. As land surface temperature increased, SOS first advanced and then delayed (with an inflection point at 23 ℃), while EOS first delayed and then advanced (with an inflection point at 20 ℃). We speculated that the result was related to the coupling of light and temperature periods. The response degree of vegetation phenology under dynamic urbanization gradient showed significant differences. Surface temperature played an important role in driving the urban-rural phenological difference.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"693-702"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison on biological communities between karst and non-karst forests in Yachang, Guangxi.","authors":"Chao-You Jiang, Fu-Qi Li, Meng-Li Li, Feng-Qun Meng","doi":"10.13287/j.1001-9332.202503.033","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.033","url":null,"abstract":"<p><p>We investigated the communities of woody plants, ground-dwelling insects, soil bacteria, and soil fungi in both karst and non-karst forests within the Yachang Orchids Natural Reserve, Guangxi, to explore the role of plant communities, stand structure, soil and litter properties in driving the differences in biological community composition. The results revealed that species richness, Shannon index, and Simpson index of plants were significantly higher in karst forest than non-karst forest. There were no significant differences in the species richness or Shannon index of ground-dwelling insects, bacteria, and fungi between the two forest types. However, the Simpson index for ground-dwelling insects and bacteria was significantly lower in karst forest, while the Simpson index for fungi was significantly higher. Community composition of the four biological groups differed significantly between karst and non-karst forests. The difference in plant community composition was primarily driven by soil pH (explaining 24.0% of the variation) and total soil carbon content (19.8%), with most plant species contributing to the dissimilarity. The difference in community composition of ground-dwelling insects was mainly driven by plant community composition (30.3%), understory tree density (13.8%), litter total phosphorus content (29.9%), and soil temperature (7.1%). The dissimilarity in ground-dwelling insect community was largely attributed to the differences in the abundances of Nitidulidae, Blattellidae, Gryllidae, Scarabaeidae, and Pycnoscelidae. The difference in bacteria community composition was primarily driven by soil temperature (39.5%) and pH (10.3%), with an unclassified family 1 of Acidobacteria and Pyrinomonadaceae being the key family contributing to the dissimilarity. The difference in fungal community composition was mainly influenced by plant community composition (21.2%), soil temperature (7.6%), and litter total phosphorus content (7.2%), with Russulaceae being the key family contributing to the dissimilarity. Our results suggested that the alkaline soils in karst forests support higher plant diversity, which offsets the negative effects of exposed rock and low soil temperature, thereby maintaining the diversity of other biological groups.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"791-801"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Current status and evaluation of nutrient inputs in wolfberry orchards of different ages in Gansu, China.","authors":"Yong-Li Lu, Lu Han, Hao Guo, Qiang Zhang, Peng Zhou, Zhu-Zhu Luo, Jie Zheng","doi":"10.13287/j.1001-9332.202503.018","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.018","url":null,"abstract":"&lt;p&gt;&lt;p&gt;The wolfberry industry has become a characteristic pillar industry that promotes the rural economic development in many areas in Gansu Province. There are many problems in wolfberry orchards, such as unbalanced nutrient input, extensive management, low utilization rate, and high loss rate, which limit the high-quality, sustainable, and healthy development of the wolfberry industry. We investigated fertilization status and nutrient management problems of wolfberry orchards with different tree ages in Wuhe Town, Jingyuan County, Gansu Province. We put forward regulatory measures and suggestions for the optimized nutrient management of wolfberry orchards. The results showed that nutrient input of wolfberry orchards was generally dominated by chemical fertilizers (with an average of 72.6%). Nutrient input of organic fertilizers was insufficient (with an average of 21.3%). The problem was most prominent in old-aged wolfberry orchards, where the proportion of chemical fertilizer in the total nutrient input was as high as 81.1%, and the proportion of orchards with insufficient organic fertilizer nutrient input accounted for 94.1%. The optimized fertilization amounts for wolfberry orchards were N 244-361 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, P&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt; 209-271 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, K&lt;sub&gt;2&lt;/sub&gt;O 121-157 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, and organic fertilizer 6-10 t·hm&lt;sup&gt;-2&lt;/sup&gt; for young-aged orchards (≤4 years); N 354-446 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, P&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt; 262-330 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, K&lt;sub&gt;2&lt;/sub&gt;O 175-221 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, and organic fertilizer 10-22.5 t·hm&lt;sup&gt;-2&lt;/sup&gt; for middle-aged orchards (5-7 years); and N 222-265 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, P&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt; 385-460 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, K&lt;sub&gt;2&lt;/sub&gt;O 488-583 kg·hm&lt;sup&gt;-2&lt;/sup&gt;, and organic fertilizer 22.5-24 t·hm&lt;sup&gt;-2&lt;/sup&gt; for old-aged orchards (≥8 years). Common problems in the chemical fertilizer input of wolfberry orchards include high phosphorus fertilizer input, and both insufficient and excessive application of nitrogen and potassium fertilizers. In young-aged orchards, the proportion of high nitrogen input accounted for 66.7%, the proportion of high phosphorus input accounted for 61.7%, and the proportion of high potassium input was 75.1%. In middle-aged orchards, the proportion of both high and low nitrogen input was about 40.0%, the proportion of high phosphorus input accounted for 68.4%, and the proportion of both low and high potassium input was about 41.5%. In old-aged orchards, the proportion of low nitrogen input accounted for 53.0%, the proportion of excessive phosphorus input accounted for 44.1%, and the proportion of excessive potassium input was 50.0%. In the study area, the input of organic fertilizers should be substantially increased, the amount of phosphorus fertilizers should be reduced, and the application ratios of nitrogen, phosphorus, and potassium in chemical fertilizers should be optimized. Such strategies would improve nutrient utilization rate, reduce ","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"877-884"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Research advances in the impacts of ectomycorrhizal fungi on the formation and decomposition of soil organic matter in forests.","authors":"Shu-Jie Yu, Rong Shen, Dun-Mei Lin","doi":"10.13287/j.1001-9332.202503.034","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.034","url":null,"abstract":"<p><p>Ectomycorrhizal (EcM) fungi are one of the important functional groups of soil fungi, playing a crucial role in the formation, stabilization, and decomposition of soil organic matter (SOM). We summarized the main processes and mechanisms by which EcM fungi contribute to SOM formation, stabilization, and decomposition in forests. Plants allocate a portion of photosynthetic products to symbiotic EcM fungi, which participate in SOM formation by importing them into the soil in the form of mycorrhizal exudates or necromass, whose activities promote the formation of soil aggregate structure and SOM stabilization. EcM fungi decompose SOM directly by secreting extracellular enzymes or by driving the Fenton reaction to generate hydroxyl radicals. They also influence SOM decomposition indirectly by enhancing the activity of saprotrophic fungi (priming effect) or inhibiting their activity (Gadgil effect). The precise quantification of EcM fungi's role in SOM formation remains unclear. Most available studies are concentrated in Europe and North America, but the difference in methodologies makes it difficult to integrate data across regions. Future research should adopt standardized techniques and promote cross-regional collaborative studies. Current understanding of EcM fungi's role in SOM decomposition is mainly based on a few laboratory-cultured species. Future studies should include a broader range of EcM fungal species and investigate their roles in natural environments, particularly in different soil types and forest communities. In addition, the interactions between EcM fungi and saprotrophic fungi have significant impacts on SOM dynamics. Future research should explore the responses of EcM fungi to climate, soil and vegetation in depth to better understand their role in soil carbon cycling.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"943-949"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144086890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatio-temporal variations in functional redundancy of fish communities in the Haizhou Bay and its adjacent waters.","authors":"Ai-Ai Ding, Chong-Liang Zhang, Ying Xue, Yu-Peng Ji, Yi-Ping Ren, Bin-Duo Xu","doi":"10.13287/j.1001-9332.202503.032","DOIUrl":"https://doi.org/10.13287/j.1001-9332.202503.032","url":null,"abstract":"<p><p>To explore the functional redundancy and better understand the stability of fish community in the Haizhou Bay and its adjacent waters, we examined the temporal and spatial variations in functional redundancy of fish community and the influencing factors using functional redundancy index (FR) and correlation analysis based on fish resource survey data in spring and autumn from 2013 to 2023. The results showed that the average value of FR was 9.39 in autumn and was 8.62 in spring. Fish community was more stable in autumn than in spring. There were significant seasonal differences in FR in 2015, 2016, 2018, and 2023. The FR of fish community showed interannual fluctuation, which was more significant in autumn. In autumn, the highest FR (10.36) was found in 2021, while the lowest value (8.61) was found in 2020. In spring, the highest value (9.64) was presented in 2022, and the lowest value (7.96) was in 2018. The FR increased from north to south in spring in most years, and the values were generally higher in the shallow waters less than 20 m in depth, but decreased from the southwest to northeast in most years in autumn. The spatio-temporal variations in functional redundancy may be related to fish biomass, number of species, and environmental factors such as water temperature, salinity and depth. The FR was positively correlated with fish biomass, number of fish species, and water temperature, but negatively correlated with salinity and depth.</p>","PeriodicalId":35942,"journal":{"name":"应用生态学报","volume":"36 3","pages":"895-902"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144085821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}