{"refrec":{"BRefID":367739,"RR":"<b>Sunanda Kodikara, K.A.; Ransara, G.B.M.; Madarasinghe, S.K.; Dissanayake, N.P.; Abeysinghe, N.K.; Prasangika, K.D.; Dahdouh-Guebas, F.; Jayatissa, L.P.</b> (2023). A growing threat to tidal forests: incursion of mangrove ecosystems by invasive alien species <i>Acacia auriculiformis</i> A. Cunn. ex Benth. (Fabaceae). <i>Russ. J. Biol. Invasions  14(1)</i>: 97-110. <a href=\"https://dx.doi.org/10.1134/s207511172301006x\" target=\"_blank\">https://dx.doi.org/10.1134/s207511172301006x</a>","BEntID":365464,"PublicFlag":1,"CheckedFlag":1,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>Russ. J. Biol. Invasions  14(1)</i>: 97-110. <a href=\"https://dx.doi.org/10.1134/s207511172301006x\" target=\"_blank\">https://dx.doi.org/10.1134/s207511172301006x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Sunanda Kodikara, K.A.; Ransara, G.B.M.; Madarasinghe, S.K.; Dissanayake, N.P.; Abeysinghe, N.K.; Prasangika, K.D.; Dahdouh-Guebas, F.; Jayatissa, L.P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Sunanda Kodikara, K.A. <i>et al.</i>","Englishabstract":"Mangrove forests are reported to be invaded by invasive alien species (IAS). This study was therefore aimed at studying the level of distribution of the IAS, <i>Acacia auriculiformis</i> A. Cunn. ex Benth. in mangrove ecosystems in the southern coast of Sri Lanka and assessing the risk to periphery of mangrove forest by considering the Rekawa mangrove forest as a model site. Growth performances of two mangrove species; <i>Rhizophora mucronata</i> and <i>Avicennia marina</i> in the presence of <i>Acacia</i> plants were also tested under three different competition levels; low, moderate and high. According to the results, infestation of <i>Acacia</i> plants was significant in the southern coast of Sri Lanka, particularly in Matara and Hambantota districts (<i>p</i> &lt; 0.05). Species diversity determined as the Simpson diversity index was high (0.77) in the periphery of the Rekawa mangrove forest. Four true mangroves and two associates co-occurring with <i>A. auriculiformis</i> in the periphery could be observed during the field validation experiment. The highest seedling (15.4 ± 2.2 m<sup>–2</sup>) and sapling (11.2 ± 2.8 m<sup>–2</sup>) densities were reported for <i>A. auriculiformis</i> plants. Dominance, calculated as the importance value index of different species in the mangrove periphery varied from 18.0–120.6 and the latter highest was recorded for <i>Acacia</i> which has the highest relative density (42.1%) and the relative dominance (52.5%). The total leaf area of the <i>Rhizophora</i> plants grown in the high-competition level was significantly lower than that of the control plants, while the dry weights at three different competition levels were significantly higher (<i>p</i> &lt; 0.05) than the control. This could be due to the higher root biomass allocation. In <i>Avicennia</i> plants, cumulative shoot height, total leaf area and dry weight of the plants grown at the high-competition level were significantly lower than that of the control plants (<i>p</i> &lt; 0.05). <i>A. auriculiformis</i> plants grown with these true mangrove species better performed and did not show any significant deviation from the respective control plants. The level of survival of <i>Acacia</i> was significantly reduced at 25 psu (<i>p</i> &lt; 0.05). Early intervention and serious scrutiny are much needed to reverse the possible impacts of IAS on mangrove forests and the need for forest conservation is emphasized.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A growing threat to tidal forests: incursion of mangrove ecosystems by invasive alien species <i>Acacia auriculiformis</i> A. Cunn. ex Benth. (Fabaceae)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-23 01:31:26.999612","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"inter-specific competition;mangrove periphery;invasion;relative dominance;relative density;Important Value Index (IVI);threats;MANAGEMENT;DIVERSITY;RESPONSES;RICHNESS;PLANTS","OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2025-09-18","DateCreate":"2023-10-02","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":"WOS:000961260300011","VABBcode":null,"OpenAcc":0,"DOI":"10.1134/s207511172301006x"},"refs":null,"anarec":{"AnaID":367739,"PubliDate":2023,"Pagination":"97-110","XtraPublOfAnaID":null,"ISBN":null,"Volume":"14","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":297484,"SerRR":"Russian Journal of Biological Invasions. 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