Volume of aquarium: 297 L
水族箱容积：297 升
Dimensions of aquarium: 120х45х55
水族箱尺寸：120×45×55
List of fishes: Salmo Trutta fario
鱼类名录：Salmo Trutta fario
List of plants: Vallisnéria sp.
植物名录：Vallisnéria sp.
Description of Decorations and Substrate: As a soil, river sand from a natural biotope mixed with DECOTOP Tanga sand was used. Rounded granite stones, various branches and snags from the biotope, pine and alder cones, pieces of bark are presented as decorations in the aquarium.
装饰与底质描述：底床采用来自原生栖息地的河沙，并与 DECOTOP Tanga 沙混合。水族箱内的装饰包括圆润的花岗岩石块、源自该栖息地的各类树枝和沉木，以及松果、桤木果和树皮碎片。
Description of Equipment: Tetra Tetronic LED ProLine 980 LED lamp, eheim 2217 external filter, Tetra 400 compressor, HAILEA HC-1000А refrigerator, Aquael Reef Circulator 2500 flow pump
设备描述：Tetra Tetronic LED ProLine 980 LED 灯具、eheim 2217 外置过滤器、Tetra 400 气泵、HAILEA HC-1000А冷水机、Aquael Reef Circulator 2500 水流泵。
Water Parameters: Temperature – 16 ° C, рН 7.0, NO3 2, КН 6, GH 10
水质参数：温度 16°C，pH 7.0，NO3 2，KH 6，GH 10。
Additional Info: In the absence of the opportunity to get the burrhead in winter, wallisneria was planted in the aquarium, as a plant visually similar to it.
补充信息：由于冬季无法获取水车前属植物，因此在水族箱中种植了视觉上与之相似的苦草作为替代。
Description of the Area Surrounding the Biotope: The Obnova River flows in the south of the Leningrad Region and is a tributary of the larger Luga River. The length of the river is about 15 km. The Obnova River itself originates in the forest bolts and springs of the Leningrad Region, and flows in forest canyons. In turn, such springs are surrounded by predominantly coniferous and often mixed forests. The soils in which the river flows are outcrops of Middle Devonian rocks, represented by reddish sandstone with admixtures of various types of clay.
生物群落周边环境描述：奥布诺瓦河位于俄罗斯列宁格勒州南部，是较大的卢加河的支流。该河全长约 15 公里。奥布诺瓦河发源于列宁格勒州的森林沼泽与泉水，流经森林峡谷之中。这些泉源周边主要为针叶林，也常见混交林。河流流经区域的土壤为中泥盆纪岩层露头，以夹杂各类黏土的红色砂岩为主。
Description of the Underwater Landscape of the Biotope: The course of the river is quite rough, but the water remains quite clear. The soil covering the bottom of the river is fine-grained Devonian sand mixed with silt and a large number of pieces of red clay. On the bottom surface, one can find granite boulders, completely uncharacteristic of the rocks of the Devonian period, rare aquatic plants, as well as a large number of drowned trees. The average depth of the river is about 50 centimeters, but in some places the depth reaches about 1 meter.
生物群落水底景观描述：河道水流较为湍急，但水质清澈。河床底质为细粒泥盆纪砂，混合淤泥及大量红黏土碎块。河底可见花岗岩巨石（此类岩石在泥盆纪地层中极为罕见）、稀少的水生植物以及大量沉没的树木。河流平均水深约 50 厘米，部分区域水深可达约 1 米。
Description of the Habitat Parameters: Temperature 13-16° C, PH 8, KH 8, NO2 0-2, NO3 0-2, GH 3, PO4 0, NH2/NH4 0-1
栖息地参数描述：水温 13-16°C，pH 8，KH 8，NO2 0-2，NO3 0-2，GH 3，PO4 0，NH2/NH4 0-1
List of Fishes and Invertebrates Occurring in the Nature Biotope: Thymallus thymallus, Osmerus eperlanus, Salmo salar, Perca fluviatilis, Gobio gobio, Lampetra planeri, Oncorhynchus gorbuscha, Salmo trutta fario, Salmo trutta
自然生物群落中出现的鱼类和无脊椎动物名录：Thymallus thymallus（茴鱼）、Osmerus eperlanus（胡瓜鱼）、Salmo salar（大西洋鲑）、Perca fluviatilis（河鲈）、Gobio gobio（鮈鱼）、Lampetra planeri（溪七鳃鳗）、Oncorhynchus gorbuscha（粉鲑）、Salmo trutta fario（褐鳟溪流型）、Salmo trutta（褐鳟）
List of Plants Found in the Nature Biotope: Sparganium sp., Fontinalis
自然生物群落中发现的植物名录：Sparganium sp.（黑三棱属）、Fontinalis（泉藓属）
Threats to the Ecology of the Biotope:At the moment, the main environmental problems threatening the biotope are deforestation, as well as environmental pollution.
对该生物群落生态的威胁：目前，威胁该生物群落的主要环境问题是森林砍伐以及环境污染。
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