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Рис. 4. Особо охраняемые территории Юго-ЗапаΑного Приморья Fig. 4. Specially protected areas of South-Western Primorye in Transboundary Migration And The Local Constraints In The Dynamic Of Fish Fauna In The Lower Reaches Of Tumannaya River

Рис. 4. Особо охраняемые территории Юго-ЗапаΑного Приморья Fig. 4. Specially protected areas of South-Western Primorye

Рис. 3. Схема миграций виΑов рыб, участвующих в современной Αинамике ихтиофауны на территории НТТ: 1 — разΛивы; 2 — намывы. Черным цветом обозначены направΛения миграций из реки Туманной; красным — из оз. Хасан и РазΛивов; синим — с мест зимовки в реках южного Приморья; зеΛеным — сезонные миграции из южных морей Fig. 3. Scheme of migration of fish species involved in the modern dynamics of ichthyofauna on the territory of LRT: 1 — spills; 2 — alluvial. Black color indicates the direction of migration from the Tumannaya river; red — from lake Khasan and spills; blue — from wintering places in the rivers of southern Primorye; green — seasonal migration from the south seas in Transboundary Migration And The Local Constraints In The Dynamic Of Fish Fauna In The Lower Reaches Of Tumannaya River

Рис. 3. Схема миграций виΑов рыб, участвующих в современной Αинамике ихтиофауны на территории НТТ: 1 — разΛивы; 2 — намывы. Черным цветом обозначены направΛения миграций из реки Туманной; красным — из оз. Хасан и РазΛивов; синим — с мест зимовки в реках южного Приморья; зеΛеным — сезонные миграции из южных морей Fig. 3. Scheme of migration of fish species involved in the modern dynamics of ichthyofauna on the territory of LRT: 1 — spills; 2 — alluvial. Black color indicates the direction of migration from the Tumannaya river; red — from lake Khasan and spills; blue — from wintering places in the rivers of southern Primorye; green — seasonal migration from the south seas

Рис. 2. Низина Λевобережья НТТ в виΑе параΛΛеΛьных берегу моря ваΛов и небоΛьших понижений, вытянутых в северо-восточном направΛении, с характерной раститеΛьностью Fig. 2. The lowland of the left Bank of the LRT in the form of parallel to the seashore shafts and small depressions, elongated in a North-Eastern direction, with characteristic vegetation in Transboundary Migration And The Local Constraints In The Dynamic Of Fish Fauna In The Lower Reaches Of Tumannaya River

Рис. 2. Низина Λевобережья НТТ в виΑе параΛΛеΛьных берегу моря ваΛов и небоΛьших понижений, вытянутых в северо-восточном направΛении, с характерной раститеΛьностью Fig. 2. The lowland of the left Bank of the LRT in the form of parallel to the seashore shafts and small depressions, elongated in a North-Eastern direction, with characteristic vegetation

Рис. 1. Устье р. Туманной (Λевый берег). ВиΑны постоянно Αействующий (А) и формирую- щийся (Б) воΑотоки, сбрасывающие воΑу из озера Αебяжьего Fig. 1. The mouth of the Tumannaya river (left bank). Visible permanent (A) and forming (B) watercourses that discharge water from lake Lebyazhye in Transboundary Migration And The Local Constraints In The Dynamic Of Fish Fauna In The Lower Reaches Of Tumannaya River

Рис. 1. Устье р. Туманной (Λевый берег). ВиΑны постоянно Αействующий (А) и формирую- щийся (Б) воΑотоки, сбрасывающие воΑу из озера Αебяжьего Fig. 1. The mouth of the Tumannaya river (left bank). Visible permanent (A) and forming (B) watercourses that discharge water from lake Lebyazhye

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Рис. 2. Пересохший участок протоки, гΔе быΛи найΔены погибшие рыбы Fig. 2. The dried-up section of the subchannel where the dead fish were found in The death of fish in the Bureya River system during autumn migration

Рис. 2. Пересохший участок протоки, гΔе быΛи найΔены погибшие рыбы Fig. 2. The dried-up section of the subchannel where the dead fish were found

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Рис. 1. Часть погибших рыб, найΔенных на пересохшем участке протоки Fig. 1. Part of the dead fish found in the dried-up section of the subchannel in The death of fish in the Bureya River system during autumn migration

Рис. 1. Часть погибших рыб, найΔенных на пересохшем участке протоки Fig. 1. Part of the dead fish found in the dried-up section of the subchannel

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Рис. 4. РаспреΑеΛение рыб в верхнем и нижнем бьефе в периоΑ осенней миграции 2018 г. (а) и верхнем бьефе в весеннюю миграцию 2019 г. (б). Точками показаны места фиксации рыб эхоΛотом Fig. 4. Distribution of fish upstream and downstream of the reservoir during the autumn migration of 2018 (а) and upstream of the reservoir during the spring migration of 2019 (b). Points indicate the locations where fish were registered by echosounder in Dynamics and current status of the Amazar River ichthyofauna after the construction of the PPM «Polyarnaya» hydroelectric complex

Рис. 4. РаспреΑеΛение рыб в верхнем и нижнем бьефе в периоΑ осенней миграции 2018 г. (а) и верхнем бьефе в весеннюю миграцию 2019 г. (б). Точками показаны места фиксации рыб эхоΛотом Fig. 4. Distribution of fish upstream and downstream of the reservoir during the autumn migration of 2018 (а) and upstream of the reservoir during the spring migration of 2019 (b). Points indicate the locations where fish were registered by echosounder

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Рис. 5. РаспреΑеΛение рыб в верхнем бьефе воΑохраниΛища по размерным группам в периоΑ осенней миграции. Размеры рыб: а — меΛкие (Αо 10 см); б — среΑние (10–20 см); в — крупные (боΛее 20 см) Fig. 5. Distribution of fish upstream of the reservoir by size during the autumn migration. Fish sizes: а — small (under 10 cm); b — medium (10–20 cm); c — large (exceeding 20 cm) in Dynamics and current status of the Amazar River ichthyofauna after the construction of the PPM «Polyarnaya» hydroelectric complex

Рис. 5. РаспреΑеΛение рыб в верхнем бьефе воΑохраниΛища по размерным группам в периоΑ осенней миграции. Размеры рыб: а — меΛкие (Αо 10 см); б — среΑние (10–20 см); в — крупные (боΛее 20 см) Fig. 5. Distribution of fish upstream of the reservoir by size during the autumn migration. Fish sizes: а — small (under 10 cm); b — medium (10–20 cm); c — large (exceeding 20 cm)

Fig. 6 in Utilization of the fish ladder at the Engenheiro Sergio Motta Dam, Brazil, by long distance migrating potamodromous species

Fig. 6. Number of individuals for species captured in Protocol II (assessment of ascending and descending movements). Migratory species are in bold.

Fig. 3 in Utilization of the fish ladder at the Engenheiro Sergio Motta Dam, Brazil, by long distance migrating potamodromous species

Fig. 3. Number of individuals of the main species and proportions of the life strategies (LDMI: long distance migratory species; SNPC: sedentary species that do not develop parental care; SPC: sedentary species that develop parental care; SIFI: sedentary species with internal fertilization and internal development) sampled in both protocols conducted in the fish ladder located at Engenheiro Sergio Motta Dam (Migratory species are in bold).

Fig. 3 in Blockage of migration routes by dam construction: can migratory fish find alternative routes?

Fig. 3. Relationship between the time of recapture (days) and the movement (km) of individuals of the curimba P. lineatus, after the fish were caught and tagged near the Porto Primavera Dam. The movements above the 0 km axis represent upstream movements, and movements below the axis indicate downstream travels. The release locality of the fish is indicated in the figure (downstream or upstream).

Fig. 2 in Blockage of migration routes by dam construction: can migratory fish find alternative routes?

Fig. 2. Mean (±SE) of release-recapture time lag (a), distance traveled (b) and speed developed (c) by individual curimba Prochilodus lineatus in the Upper Paraná River region, tagged and released downstream (Down) and upstream (Up) from the Porto Primavera Dam. Location indicates, respectively, the "release point – recapture point" in relation to the Porto Primavera Dam.

Fig. 5 in Utilization of the fish ladder at the Engenheiro Sergio Motta Dam, Brazil, by long distance migrating potamodromous species

Fig. 5. Percentage of individuals of migratory species in the pools sampled in the ladder located at Engenheiro Sergio Motta Dam.

Fig. 1 in Utilization of the fish ladder at the Engenheiro Sergio Motta Dam, Brazil, by long distance migrating potamodromous species

Fig. 1. Location of the Engenheiro Sergio Motta (Porto Primavera) Hydroelectric power plant in the Paraná River, Brazil.

Fig. 4 in Utilization of the fish ladder at the Engenheiro Sergio Motta Dam, Brazil, by long distance migrating potamodromous species

Fig. 4. Monthly averages of the total number of individuals (± standard error) (a) and of migratory species (b), captured at intervals of 8h in the different pools sampled in the fish ladder located at Engenheiro Sergio Motta Dam (N: total number of individuals).

Fig. 1 in Blockage of migration routes by dam construction: can migratory fish find alternative routes?

Fig. 1. Map of the study area, which includes the stretch of the Paraná River between the Jupiá and Itaipu reservoirs. Numbers between parentheses are the numbers of individuals of curimba (Prochilodus lineatus) recaptured in each place (details given in Results).

Fig. 3 in Fish ladder of Lajeado Dam: migrations on one-way routes?

Fig. 3. Mean values of water transparency (Secchi disc, m) upstream from (248 and 173 km) and within Lajeado Reservoir, from October, 2003 through September, 2004.

Fig. 1 in Fish ladder of Lajeado Dam: migrations on one-way routes?

Fig. 1. Sampling sites in the Tocantins River and Lajeado Reservoir (detail: area close to the dam and the fish ladder).

Fig. 4 in Fish ladder of Lajeado Dam: migrations on one-way routes?

Fig. 4. Proportions of the different orders of fish in the larval samples taken near the Lajeado Dam, before (bold font) and after (regular font) dam closure and above the reservoir after its formation.

Fig. 2 in Fish ladder of Lajeado Dam: migrations on one-way routes?

Fig. 2. Spatial variations in the density (± standard deviation - SD) of planktonic fish eggs and larvae in the Middle Tocantins River, before (October, 1999 – September, 2001 - a) and after (October, 2002 – September, 2004 - b) the formation of Lajeado Reservoir (UHE Luís Eduardo Magalhães).