First, let me explain the application process to be a volunteer for water source monitoring in Kanagawa, in case some of you’re interested in. Every early April, Kanagawa Prefecture announces an opening of applications for river monitor. The announcement is at their HP (here), and in PR brochure called “Letter from Kanagawa Prefecture 県のたより” which is available townhalls and libraries everywhere in Kanagawa Prefecture. Application is online only (from here); the page will be active when the application period is open between the last week of April and the third week of May. They recruit 100 volunteers. When more than 100 people apply, the lottery system is taken for choosing the monitors. You can send your application if you live / work / study / etc. in Kanagawa Prefecture. (Hey, it’s funded by local tax!) … Er, basically, all the documentation is in Japanese. I’m sure the scholars engaging in this project manage English, but everything for the project is done in Japanese. So, if you try to be a volunteer, at least school-kids level of Japanese proficiency is the must. Why school-kids? Several elementary schools of the Prefecture join the effort, and use the research opportunities for their science classes.
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| Kids love to watch these tiny creatures from Kanagawa’s river. |
The office in charge of this project is Kanagawa Environmental Research Center 神奈川県環境科学センター. At the end of each post of this blog, I tell you the point of contact for environmental issues in Kanagawa is Kanagawa Natural Environment Conservation Center 神奈川県自然環境保全センター. I’ve noticed there is a sort of division of duties between these two centers. Natural Environment Conservation Center is more concentrated on the nature of National and Quasi-national Parks and their surrounding areas of Kanagawa Prefecture. Research Center covers urban areas and sea by monitoring air, water, and soil pollutions of Kanagawa. The Research Center also acts as a hub for data analysis and policy suggestion for Climate Change Adaptation within the Prefecture. Origin of each center aside ( … I guess there were surrogate turf wars between Ministry of Agriculture, Forestry and Fisheries and Ministry of Environment …), such division has created an interesting difference in clusters of PhD scientists. Conservation Center has lots of researchers covering land-based creatures, such as trees, deer, cicadas, … Research Center houses many researchers for water-loving creatures, like fishes, dragonflies, water plants …
After we receive an OK notice from the Prefecture for becoming the volunteer monitor, we’re given several opportunities to sit for training sessions presided by these scientists. The first one was introduction of the water monitoring projects by citizen science. It was flowed by basic classes for structure of rivers and their peculiar nature of habitat. A brownie point for becoming a water monitoring volunteer is we can have an up-to-date briefing from the frontline researchers for aquatic habitats. It is indeed a new experience for me! Take Sakawa River 酒匂川. Its tributaries start from deep mountains of Western Tanzawa 西丹沢 and Hakone 箱根, Yadoriki Water Source Forest やどりき水源林 included. They become more or less one flow at the southern tip of Matsuda Town 松田町, then pours to Sagami Bay 相模湾 in Odawara City 小田原市. So, the river starts from Fuji-Hakone-Izu National Park 富士箱根伊豆国立公園 and Tanzawa-Oyama Quasi-national Park 丹沢大山国定公園. It then runs through countryside with lots of rice paddies and farmland and ends in urban area. The way water flows differs at each stage of the river, of course. Yadoriki Stream is “stream,” i.e. narrow, rapid, and normally cold. In Matsuda Town, it still flows relatively quickly, but the river itself is already far wider than Yadoriki Stream. At the end to the sea, the water is surely flowing but sea tide can come in as countercurrent. The way the river erodes the tierra differs at each point, which in turn creates different habitats for living things. I think I knew such things as a notion. But experiencing the difference is a sort of eye-opener.
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| A beginning of Yadoriki stream |
The things river monitoring volunteers do are (1) to learn the basic science of river habitat in classroom, (2) actually to go to water for collecting living things from waterbeds (yup, not only river, but there are ponds and small streams which are a part of river system), (3) to identify our catches at species level, and (4) to calculate “score” of the observation point based on the species classified and to report the result to the Research Center. You may know similar projects in other parts of the planet, like the one in UK. Ours is a Japanese version. According to the lead scientist for Kanagawa’s project, Dr. Yuta Hasebe, thanks to the earmarked tax Kanagawa Prefecture’s project is one of the “first penguins” in Japanese environmental monitoring by citizens. The program is continuing to the 4th Phase from FY2023. Accumulating long-term data itself is very important for considering climate change, Dr. Hasebe said. Hmmmmmm …
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| Volunteers
are collecting specimens in one of the water source for a tributary of Sagami River. |
The prefectural office lends us research tools, such as landing nets, plastic vats, specimen bottles, etc. for field study. We’re also able to use stereo microscopes in Research Center when we classify our catch from the field ( … er, I mean, water). The Center also gives us training sessions how to collect the specimen in rivers, and what to see when identifying the creatures under the microscope. For microscope-sessions, there is a textbook for searching aquatic creatures. In April 2022, the Prefecture updated it, downloadable from here. My seniors of Forest Instructors unanimously agreed this version is very good for classifying the lives in rivers. Some say it’s more user-friendly than the one issued by Ministry of Environment (retrievable from here). Although they are only in Japanese, if you’re interested in such things, please check it. I also think the latest version is superb for actual use with microscopes.
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| A microscopic session at the Research Centre |
Next week, I’ll tell you my adventure for collecting the creatures from water. Please stay tuned. 😊
So, in this case, if you find environmental issues in waters of Kanagawa Prefecture, please make a contact with Kanagawa Environmental Research Center 神奈川県環境科学センター
1-3-39 Shinomiya, Hiratsuka City, 254-0014
〒254-0014平塚市四之宮1-3-39
Phone: 0463-24-3311
FAX: 0463-24-3300
k-center@k-erc.pref.kanagawa.jp
https://www.pref.kanagawa.jp/docs/b4f/index.html
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