Journal of Coastal Conservation最新文献

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Checklist of Malpighiaceae on São Luís Island, Maranhão, Brazil: the absence of collections impacts the knowledge and conservation of the Island flora 巴西maranh<e:1> o岛<s:1> o Luís malpiighiaceae植物名录:缺乏标本对岛上植物区系的认识和保护造成影响

IF 2.1 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-12-04 DOI: 10.1007/s11852-023-00997-1

Alícia B. Ewerton-Silva, Bruna de Abreu Fernandes, André M. Amorim, Lucas C. Marinho

São Luís Island in Maranhão State, Brazil, has a vegetational mosaic where sandbanks with shrubs, small dunes, and mangroves are common. Due to its geography, the urbanization process in this area tends to form agglomerations that suffocate small rivers and streams. Based on a floristic survey of the family Malpighiaceae, we discuss the importance of taxonomic knowledge for the preservation of the flora of São Luís Island. We list 18 species of Malpighiaceae that occur in the area. Among them, only four have herbarium collections from the 21st century. Byrsonima intermedia and Heteropterys mathewsiana are new records for Maranhão State and Bunchosia apiculata is a new record for São Luís Island. Although they have not been formally assessed, most species are under threat, especially from disorderly urban growth and the unregulated discard of waste. Maintaining natural habitats and controlling threats might reveal relevant new findings about the diversity of Maranhão and contribute significantly to the preservation of the biodiversity on São Luís Island.

巴西maranh州的s o Luís岛有植被马赛克，那里有灌木、小沙丘和红树林的沙洲。由于其地理位置的原因，该地区的城市化进程往往会形成阻塞小河流和小溪的城市群。本文在对麻瓜科植物区系调查的基础上，讨论了分类知识对保护 o Luís岛植物区系的重要性。我们列出了18种出现在该地区的麻瓜科植物。其中，只有四家拥有21世纪的植物标本馆藏品。中间白翅雀(Byrsonima intermedia)和mathewsiana是maranh州的新记录，尖翅雀(Bunchosia apiculata)是 o Luís岛的新记录。虽然它们还没有被正式评估，但大多数物种都受到威胁，尤其是无序的城市增长和不受管制的废物丢弃。维持自然栖息地和控制威胁可能会揭示有关maranh多样性的新发现，并对保护s o Luís岛的生物多样性作出重大贡献。

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引用次数: 0

Reflection coefficient of regular waves over wavelike trapezoidal submerged breakwater using non-hydrostatic numerical model 用非流体静力数值模型研究波浪型梯形水下防波堤上规则波的反射系数

IF 2.1 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-11-23 DOI: 10.1007/s11852-023-00996-2

Tolulope Emmanuel Oginni, Elnalee Buyagao Baguya, Rasheed Babatunde Adesina, Charles Izuma Addey, Abidemi Bashiru Folorunsho, Oludolapo Ibrahim Olanrewaju

SWASH (Simulating WAves till SHore) is a non-hydrostatic numerical model used to investigate the reflection coefficient of three wavelike trapezoidal submerged breakwaters (Structure A, B, and C) in this study. The breakwater was configured in sections of crest and trough; Structure A has its crest and trough section on the sea-bed. Structure B was only a crest section placed on the sea-bed, while Structure C’s crest section is on the sea-bed with its trough section trenching into the sea-bed. Regular wave is propagated over the structures to examine their differences in reflecting wave energy. The result shows that Structure C of the three wavelike trapezoidal submerged breakwaters can effectively reflect more waves while covering less area on the sea-bed. The possibility of a dual peak on the resonant of the reflection coefficient is seen for all the three wavelike trapezoidal submerged breakwaters with a shift in their prominent peak along with the dual peak position. The variation of breakwater height and top widths directly affects the peak value of the reflection coefficient. However, the breakwater height will shift the positioning of the peak values occurrence.

SWASH (simulation WAves till SHore)是一个非流体静力数值模型，用于研究三个波浪形梯形水下防波堤(结构a、B和C)的反射系数。防波堤分为波峰和波谷两部分;构造A在海床上有其波峰和波谷剖面。构造B只是一个位于海床上的波峰剖面，而构造C的波峰剖面位于海床上，其波谷剖面切入海床。规则波在结构上传播，以检查它们在反射波能量方面的差异。结果表明，三种波浪形梯形沉水防波堤的C型结构能有效地反射较多的波浪，同时覆盖较少的海床面积。三个波浪形梯形水下防波堤的反射系数共振都可能出现双峰，其突出峰随双峰位置的变化而变化。防波堤高度和顶宽的变化直接影响反射系数的峰值。但是，防波堤高度会改变峰值发生的位置。

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引用次数: 0

Modelling biophysical parameters of Indian Sundarbans mangroves using fully polarimetric L-band Synthetic Aperture Radar data and ground observations 利用全偏振l波段合成孔径雷达数据和地面观测数据模拟印度孙德尔本斯红树林的生物物理参数

4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-11-11 DOI: 10.1007/s11852-023-00994-4

Tanumi Kumar, Prabir Kumar Das, Mansa Dey, Soumya Bandyopadhyay, K. Chandrasekar, Anup Kumar Das

引用次数: 0

Down the rabbit-hole: satellite-based analysis of spatiotemporal patterns in wild European rabbit burrows for better coastal dune management 兔子洞:基于卫星的欧洲野生兔子洞时空模式分析，以更好地管理海岸沙丘

4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-11-04 DOI: 10.1007/s11852-023-00992-6

Chloé Bentze, Helene Burningham, Emer Magee

引用次数: 0

Global scale study of the environmental preferences and distribution of Orcinus orca 虎鲸环境偏好与分布的全球尺度研究

4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-10-27 DOI: 10.1007/s11852-023-00991-7

Millat Blanc, Raúl O. Martínez-Rincón

引用次数: 0

Coastal protection function of mangrove ecosystems: a case study from Sri Lanka 红树林生态系统的海岸保护功能:以斯里兰卡为例

4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-10-26 DOI: 10.1007/s11852-023-00990-8

Wasana de Silva, Mala Damayanthi Amarasinghe

引用次数: 0

Coastal compartments: the role of sediment supply and morphodynamics in a beach management context 海岸隔室:沉积物供应和形态动力学在海滩管理中的作用

4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-10-23 DOI: 10.1007/s11852-023-00984-6

Rafael C. Carvalho, Colin D. Woodroffe

Abstract Coastal compartments provide a hierarchical framework to manage beaches and coastal ecosystems in Australia. This study examines the individual behaviour of three adjacent beaches within Shoalhaven Bight, a secondary compartment on the south coast of New South Wales (NSW). The Shoalhaven River discharges intermittently into the northernmost of the beaches, and a fluvial component is detectable within beach and foredune sands. The distribution and orientation of headlands constrains dispersal of fluvial sediments, and results in lower wave-energy conditions further south, implying limited sand transport from one beach, or tertiary compartment, to another. Two years of monthly subaerial surveys across ten different profiles and modelled storm-wave conditions during the major storms, were used to compare the response of beach volume and shoreline position. The greatest changes in volume were observed near Shoalhaven Heads and the northern ends of Culburra and Warrain-Currarong beaches. Results indicate the distinct individual response of neighbouring beaches over the two-year period, in contrast to general trends in beach behavior that might be inferred from long-term regional monitoring programs. However, they also demonstrate the limitations of short-term observations in comparison to those longer-term studies. The NSW beach systems of are some of the best understood in the world in terms of regional behaviour, as a consequence of several decades of surveys on key beaches. However, more focused local monitoring programs may be needed to establish detailed coastal sand transport, and an understanding of intermittent delivery of fluvial sand and longshore inputs and outputs, within and between different compartments.

沿海区隔为管理澳大利亚的海滩和沿海生态系统提供了一个分层框架。本研究考察了新南威尔士州南海岸的二级隔间Shoalhaven Bight内三个相邻海滩的个体行为。浅滩河间歇性地流入海滩的最北端，在海滩和前沙丘中可以探测到河流的成分。海岬的分布和方向限制了河流沉积物的扩散，并导致较低的波能条件进一步向南，这意味着沙子从一个海滩或第三纪隔室到另一个海滩的运输有限。研究人员对10个不同剖面进行了为期两年的每月地面调查，并在大风暴期间模拟了风暴波条件，以比较海滩体积和海岸线位置的响应。在Shoalhaven Heads和Culburra和warraina - currarong海滩的北端观察到最大的体积变化。结果表明，在两年的时间里，与从长期区域监测计划中推断出的海滩行为的总体趋势相反，邻近海滩的个体反应截然不同。然而，与那些长期研究相比，它们也证明了短期观察的局限性。新南威尔士州的海滩系统是世界上最了解的区域行为之一，这是几十年来对主要海滩进行调查的结果。然而，可能需要更集中的地方监测计划来建立详细的沿海沙粒运输，并了解河流沙粒的间歇性输送和岸上输入和输出，在不同的隔间内和之间。

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引用次数: 0

Evaluation of TENORM radionuclides and trace element levels by using seagrass 利用海草评价TENORM放射性核素和微量元素水平

4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-10-17 DOI: 10.1007/s11852-023-00988-2

Nurdan Akakçe, Aysun Uğur Görgün, İnci Tüney Kizilkaya, Berkay Camgöz, Nevra Öztürk Atay, İlker Sert

引用次数: 0

Marine aquarium trade: an open door for invasions in Iceland 海洋水族贸易:为入侵冰岛敞开大门

4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-10-17 DOI: 10.1007/s11852-023-00986-4

Joana Micael, Saeunn Sigurjónsdóttir, Sindri Gíslason

引用次数: 0

Extent of reference to science and the efficacy of coastal management policies: Insights from the Vietnamese Mekong Delta 参考科学的程度和沿海管理政策的效力:来自越南湄公河三角洲的见解

4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Journal of Coastal Conservation

Pub Date : 2023-10-01 DOI: 10.1007/s11852-023-00983-7

Nguyen Tan Phong, Le Tan Loi

引用次数: 0

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