Pollination ecology of Derris trifoliata (Fabaceae), a mangrove associate in Coringa Mangrove Forest, Andhra Pradesh, India

Raju, A. J. Solomon; Kumar, Rajendra

doi:10.11609/jott.2277.8.5.8788-8796

Cited by 8 publications

(6 citation statements)

References 11 publications

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“…In terms of species richness, while previous studies reported only one species (Acrostichum areum) growing in the reference old growth forest (Wagner and Sallema-Mtui, 2016), the present study found three species growing here (Table 1), among which A. areum and D. trifoliata were mangrove-associated species (Lobo and Krishnakumar, 2014;Raju and Kumar, 2016). Nontree species do not fully correspond to the initial floristic composition succession model (Almazan-Nunenz, et al, 2016), as not all species present in the early succession stages persist to subsequent succession stages (Table 1).…”

Section: Vegetation Recovery Trajectory and Structural Developmentcontrasting

confidence: 63%

Natural recovery of mangroves in abandoned rice farming areas of the Rufiji Delta, Tanzania

Japhet

Mangora²,

Trettin³

et al. 2019

West Ind. Oc. J Mar. Sci.

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Natural recovery of mangroves in abandoned rice farming areas is important for reviving its multiple ecosystem services including climate change mitigation. This study aims at understanding the natural recovery rate and pattern of mangroves in the abandoned rice farming areas of the Rufiji Delta. Mangrove areas were stratified into early and intermediate succession as well as old growth forest. Forty-five nested plots, fifteen at each site, were randomly selected, where plant and soil data were collected. Based on the Importance Value Index, the most abundant tree species in the early succession was Barringtonia racemosa, a mangrove associated tree species having a value of 67.9. The mangrove Avicennia marina was the most abundant in both intermediate succession and old growth forest having a value of 170.7 and 163.1, respectively. Pairwise comparison of means indicated a significant change (p< 0.05) of structural parameters with fallow age. No significant change (p > 0.05) was detected in the measured soil properties among the three succession categories. The findings demonstrate that even a period of up to 15 years would not allow full recovery of structural attributes for a mangrove forest converted to agricultural land, with grass cover being among factors limiting the recovery due to obstruction of propagule dispersal.

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Section: Vegetation Recovery Trajectory and Structural Developmentcontrasting

confidence: 63%

Natural recovery of mangroves in abandoned rice farming areas of the Rufiji Delta, Tanzania

Japhet

Mangora²,

Trettin³

et al. 2019

West Ind. Oc. J Mar. Sci.

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“…It has morphological characteristics of parallel leaves with pointed ends, white flowers clustered, and small petals. The air cavities within D. trifoliata's fruits help the species to float and spread in the tidal area (Raju and Kumar 2016). Both N. fruticans and D. trifoliate are only found on this site.…”

Section: Teleng Ria Estuarymentioning

confidence: 91%

Analysis of the diversity and evenness of mangrove ecosystems in the Pacitan Coast, East Java, Indonesia

Sholiqin

PRAMADANINGTYAS

Solikah

et al. 2022

Intl J Bonorowo Wetl

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Abstract. Sholiqin M, Pramadaningtyas PS, Solikah I, Febriyanti S, Pambudi MD, Mahartika SB, Umam AF, Liza N, Setyawan AD. 2021. Analysis of the diversity and evenness of mangrove ecosystems in the Pacitan Coast, East Java, Indonesia. Intl J Bonorowo Wetlands 11: 84-94. Indonesia has a high mangrove diversity with 43 species of true mangrove plants. Mangrove grows along the coastline of Indonesia’s islands, one of which is situated on the southern coast of Java. Pacitan, which belongs to the south coast of East Java and has 70,709 km of coastline, is an area with the potential to have a diverse of mangrove vegetation. The existence of mangroves plays a role in carbon sequestration and the stability of coastal ecosystems. The aim of this study was to determine the mangrove diversity and evenness index in the southern coast of Pacitan. This research was conducted on November 2021 in three locations, namely the Teleng Ria, Grindulu Estuary, and Siwil Beach. Data was collected using a plot of 10 x 10 m2 for trees, 5 x 5 m2 for saplings, and 2 x 2 m2 for seedlings. The data obtained were analyzed using the Shannon Wiener and Evenness index to calculate the mangrove diversity and evenness value. There are 8 species of mangroves (7 species of major and 1 species of minor mangrove), and 2 species of associated mangroves, with the domination of Rhizophora stylosa. The Shannon Weiner diversity index shows that the mangrove diversity index in the research areas ranges from low to moderate. The Evenness Index presents that Teleng Ria Estuary possesses a high evenness value, indicating its stable mangrove condition.

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“…demonstram que as mesmas possuem um sistema especialista ou recebem significativas visitas, principalmente de Xylocopa sp. (Van Der Pijl, 1954;Arroyo, 1981;Gottsberger & SilberbauerGottsberger, 1988;Aguiar et al, 2003;Leite & Machado, 2009;Borges et al, 2009;Borges et al, 2012;Raju et al, 2016). Em adição, estudos com espécies da subtribo Cassiinae no cerrado, que apresentavam barreiras morfológicas para autopolinização, necessitavam de um grupo de abelhas para realizar a polinização de forma eficiente, sendo estas distribuídas nos gêneros Xylocopa, Centris e Bombus (Nascimento & DelClaro, 2007;Almeida et al, 2013;Almeida et al, 2015).…”

Section: Biologia Floral E Sistema De Polinizaçãounclassified

Biologia floral e reprodutiva de Cenostigma macrophyllum Tul. (Fabaceae) no Parque Zoobotânico de Teresina, Piauí

Aguiar

Soares

Masrua

et al. 2016

J. Env. Anal. Progr.

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A B S T R A C T Cenostigma macrophyllumTul. is popularly known as caneleiro, has an arboreal habit, stem ridged, considered plant symbol of the capital Teresina (PI). The objective of this study was to investigate the floral and reproductive biology of Cenostigma macrophyllum the Zoobotanical Park of Teresina, Piauí. We selected 15 individuals and analyzed for morphology and floral morphometry, anthesis period, stigmatic receptivity, anther dehiscence, nectar volume behavior of floral visitors in the effectiveness of pollination and reproductive system. The flowers are hermaphrodite, have about 81.28±25.74 flowers per racemose inflorescence. Nectar produced and stored in hypanthium with an average production of 1.75 μL. The floral anthesis lasted two days, with fully distended petals at 6 AM, receptive stigma 7 AM and dehiscence-starting 9 AM, opening in groups throughout the day. The pollinators and thief began visits around 6 AM until 17 PM flowers the first day of anthesis foraging in search of nectar. The effective pollinators were bees, more frequently (64%), Xylocopa spp., Apis mellifera and Centris sp., which used the standard petal to access the nectar. Occasional pollinators were Lepidoptera with no touch always the reproductive parts. The thief, Trigona spinipes bees and hummingbird Amazilia Fimbriata that did not touch the reproductive organs to collect nectar. The species is xenogamic and presents reproductive dichogamy and protoginic system because occurs the temporal separation of maturation of the reproductive structures. Treatment of mechanical scarification is a higher potential for a rapid seed germination. Keywords: Pollination, anthesis, dichogamy. R E S U M OCenostigma macrophyllum Tul. é conhecido, popularmente, como caneleiro, possui hábito arbóreo, caule sulcado, sendo considerada planta símbolo da capital Teresina (PI). O objetivo deste trabalho foi investigar a biologia floral e Reprodutiva de Cenostigma macrophyllum no Parque Zoobotânico de Teresina, Piauí. Foram selecionados 15 indivíduos e analisados quanto à morfologia e morfometria floral, período de antese, receptividade estigmática, deiscência das anteras, volume de néctar, comportamento dos visitantes florais na eficácia da polinização e o sistema reprodutivo. As flores são monóclinas, dispõem-se em cerca de 81,28±25,74 flores por inflorescência racemosa. Néctar produzido e armazenado no hipanto com produção média de 1,75 μL. A antese floral teve duração de dois dias, com pétalas totalmente distendidas às 6h, estigma receptivo às 7h e deiscência iniciando às 9h,

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Pollination ecology of Derris trifoliata (Fabaceae), a mangrove associate in Coringa Mangrove Forest, Andhra Pradesh, India

Cited by 8 publications

References 11 publications

Natural recovery of mangroves in abandoned rice farming areas of the Rufiji Delta, Tanzania

Natural recovery of mangroves in abandoned rice farming areas of the Rufiji Delta, Tanzania

Analysis of the diversity and evenness of mangrove ecosystems in the Pacitan Coast, East Java, Indonesia

Biologia floral e reprodutiva de Cenostigma macrophyllum Tul. (Fabaceae) no Parque Zoobotânico de Teresina, Piauí

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