نتایج جستجو برای: international wetland

تعداد نتایج: 318770  

2001

The CRSP will not be distributing this publication. Copies may be obtained by writing to the authors. A pilot study on the spatial and temporal soil moisture distribution in integrated crop-fishwetland and crop-wetland agroecosystems in Zomba-East, Malawi Daniel Jamu International Center for Living Aquatic Resources Management P.O. Box 229, Zomba, Malawi Integration of aquaculture into existing...

2010
Marcelo Ardón Shaena Montanari Jennifer L. Morse Martin W. Doyle Emily S. Bernhardt

[1] Wetland restoration is a commonly used approach to reduce nutrient loading to freshwater and coastal ecosystems, with many wetland restoration efforts occurring in former agricultural fields. Restored wetlands are expected to be effective at retaining or removing both nitrogen and phosphorus (P), yet restoring wetland hydrology to former agricultural fields can lead to the release of legacy...

2012
Frans van de Ven

................................................................................................................................................. 6 1 Preface ........................................................................................................................................... 9 2 Introduction .....................................................................................

2014
Yan Lu Hongwen Xu

Soil organic carbon fractions included microbial biomass carbon (MBC), dissolved organic carbon (DOC), and labile organic carbon (LOC), which was investigated over a 0-20 cm depth profile in three types of wetland in Hongze Lake of China. Their ecoenvironmental effect and the relationships with soil organic carbon (SOC) were analyzed in present experiment. The results showed that both active an...

2017
Hino Takafumi Tatsuya Kamii Takunari Murai Ryoto Yoshida Atsuki Sato Yasuyuki Tachiki Rika Akamatsu Tsuyoshi Yoshida

The sika deer (Cervus nippon yesoensis) population in the Ramsar-listed Kushiro Wetland has increased in recent years, and the Ministry of the Environment of Japan has decided to take measures to reduce the impact of deer on the ecosystem. However, seasonal movement patterns of the deer (i.e., when and where the deer inhabit the wetland) remain unclear. We examined the seasonal movement pattern...

Journal: :international journal of environmental research 2014
z.y. dong z.m. wang d.w. liu k.s. song l. li

wetlands in the lower reaches of songhua river (lrsr), northeast china, are rich in biodiversityand natural resources, which provide crucial staging and wintering habitats for various endangered species.however, in the past five decades, the size of this wetland area has decreased, and its quality has deteriorated because of increased natural and human activities. wetland restoration is critica...

2014
Yi-Yuan Su Marc A. Rosen

In July of 2013, Taiwan passed its Wetland Conservation Act and will begin the implementation of the Act on 2 February 2015. With this Act, Taiwan has become the second Asian country to have specific legislation on wetland conservation and protection. This new law enables the society to achieve sustainable utilization on wetland ecological services. The core concepts of the Wetland Conversation...

2000

This extension note describes the basic ecological features of wetland ecosystems. It is a foundational document that provides important concepts and background information to be applied in future extension notes on wetland management. Major topics and concepts covered in this document are: • definition of a wetland ecosystem and comparison of characteristics with other related ecosystems, • re...

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