نتایج جستجو برای: uninervis halodule

تعداد نتایج: 144  

Journal: :Marine Pollution Bulletin 2021

A unique feature of seagrass among other ecosystem services is to have high phytoremediation potential that a cost-effective plant-based approach and environmentally friendly solution for metal contamination in coastal areas. The goal this study was assess the prospective Cu, Fe, Mn Zn Fiji Islands. Heavy content measured sediments tissues seagrasses Halophila ovalis , Halodule pinifolia uniner...

2014
Catherine J. Collier Cecilia Villacorta-Rath Kor-jent van Dijk Miwa Takahashi Michelle Waycott

Halophytes, such as seagrasses, predominantly form habitats in coastal and estuarine areas. These habitats can be seasonally exposed to hypo-salinity events during watershed runoff exposing them to dramatic salinity shifts and osmotic shock. The manifestation of this osmotic shock on seagrass morphology and phenology was tested in three Indo-Pacific seagrass species, Halophila ovalis, Halodule ...

شیلا صفاییان فرناز رفیعی مه لقا قربانلی, نسیم بال افکن

در این پژوهش تغییرات فصلی برخی فرایند های فیزیولوژیکی در گیاه دریایی Halodule uninervis ازمنطقه بین جزر و مدی منطقه گلشهر بندر عباس در تابستان 1388 تا بهار 1389 در چهار فصل مورد بررسی قرار گرفته است. مقدار رنگیزه های فتوسنتزی (کلروفیلa، کلروفیل b وکاروتنوئیدها ) و مقدار پرولین در H. uninervis به منظور بررسی فیزیولوژیک، مورد سنجش قرار گرفته است. نتایج به دست آمده نشان داد که کمترین مقدار کلروفیل...

2005
Victor Evrard Wawan Kiswara Tjeerd J. Bouma Jack J. Middelburg

The availability of nitrogen in sediment phytodetritus to seagrass was investigated in 5 tropical species (Thalassia hemprichii, Halodule uninervis, H. pinifolia, Halophila ovalis/ovata and Syringodium isoetifolium) from Indonesia. 15N-labeled phytodetritus was injected into the sediment and the appearance of 15N in the roots, the rhizomes and the leaves of the plants were measured after 1, 2, ...

2017
Belinda C. Martin Deirdre Gleeson John Statton Andre R. Siebers Pauline Grierson Megan H. Ryan Gary A. Kendrick

Seagrass roots host a diverse microbiome that is critical for plant growth and health. Composition of microbial communities can be regulated in part by root exudates, but the specifics of these interactions in seagrass rhizospheres are still largely unknown. As light availability controls primary productivity, reduced light may impact root exudation and consequently the composition of the root ...

2017
Kathryn M. McMahon Richard D. Evans Kor-jent van Dijk Udhi Hernawan Gary A. Kendrick Paul S. Lavery Ryan Lowe Marji Puotinen Michelle Waycott

Clonality is common in many aquatic plant species, including seagrasses, where populations are maintained through a combination of asexual and sexual reproduction. One common measure used to describe the clonal structure of populations is clonal richness. Clonal richness is strongly dependent on the biological characteristics of the species, and how these interact with the environment but can a...

2014
Jillian L. S. Ooi Kimberly P. Van Niel Gary A. Kendrick Karen W. Holmes

BACKGROUND Seagrass species in the tropics occur in multispecies meadows. How these meadows are maintained through species co-existence and what their ecological drivers may be has been an overarching question in seagrass biogeography. In this study, we quantify the spatial structure of four co-existing species and infer potential ecological processes from these structures. METHODS AND RESULT...

Journal: :Jurnal Ilmu Kelautan Lesser Sunda 2021

Seagrass is a coastal ecosystem that has important role as feeding ground, spawning ground and nursery for various marine biota. This study aims to examine the biodiversity of seagrass at Gili Air, North Lombok Regency, West Nusa Tenggara. was conducted observe cover percentage seagrass, it's composition, number stands, canopy's height, frequency presence, index importance seagrass. data collec...

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