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Reusing indigenous plant materials to restore vegetation: A practical case in Shei-Pa National Park
Ching-An Chiu,Sheng-Shan Lu,Mei-Fen Lee,Chen-Chang Pan,Kuo-Min Fu 국립중앙과학관 2020 Journal of Asia-Pacific Biodiversity Vol.13 No.2
Using only local gene pools to restore native vegetation is challenging. This practice enabled native forestin a post-fired pine and silvergrass woodland to be rehabilitated by reusing indigenous materials in asimple and effective manner. We designed vegetation restoration processes, including uprooting silvergrassand removing pine leaf from woodland ground, collecting tree saplings on sliding slopes andtransplanting them, and collecting humus and seeds from roadsides and redistributing them at restorationsites. Volunteers, tourists, and employees of Shei-Pa National Park participated in the restorationpractices. Through 5-year practices, the native vegetation and forest floor environment exhibited aremarkable recovery, inducing the reappearance of the Guanwu salamander. This restoration practicecost little money but required much time and labor. The approach may be suitable for small restorationsites. We believe that this practice could enhance knowledge, technology, and enthusiasm for localecological restoration.
The Usefulness of Fast-Spin-Echo T2-Weighted MR Imaging in Nutcracker Syndrome: a Case Report
Heong-Leng Wong,Matt Chiung-Yu Chen,Cgek-Siung Wu,Kuo-An Fu,Cheng-Hao Lin,Mei-Jui Weng,Huei-Lung Liang,Huay-Ben Pan 대한영상의학회 2010 Korean Journal of Radiology Vol.11 No.3
Nutcracker syndrome occurs when the left renal vein (LRV) is compressed between the superior mesenteric artery and the aorta, and this syndrome is often characterized by venous hypertension and related pathologies. However, invasive studies such as phlebography and measuring the reno-caval pressure gradient should be performed to identify venous hypertension. Here we present a case of Nutcracker syndrome where the LRV and intra-renal varicosities appeared homogeneously hyperintense on magnetic resonance (MR) fast-spin-echo T2- weighted imaging, which suggested markedly stagnant intravenous blood flow and the presence of venous hypertension. The patient was diagnosed and treated without obtaining the reno-caval pressure gradient. The discomfort of the patient lessened after treatment. Furthermore, on follow-up evaluation, the LRV displayed a signal void, and this was suggestive of a restoration of the normal LRV flow and a decrease in LRV pressure.