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Cap resum de modificació |
trec traçat riu manual per agafar-lo de WD |
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|localitzacio = Vessant nord del [[Pic Petit de Segre]] |
|localitzacio = Vessant nord del [[Pic Petit de Segre]] |
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|creua = [[Cerdanya]], [[Alt Urgell]], [[Noguera]], [[Segrià]] i [[Baix Cinca]] |
|creua = [[Cerdanya]], [[Alt Urgell]], [[Noguera]], [[Segrià]] i [[Baix Cinca]] |
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| draw_mapa = {{map draw | commons = Riu Segre.map}} |
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| title3=Desembocadura | marker-color3 = #FF0000 | marker-symbol3 =d |marker-size3=small |coordinates3=41.363656,0.302644}} --> |
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}} |
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[[Fitxer:Cuenca del Segre.png|thumb|300px|En groc, la Conca del Segre (Catalunya, Andorra i Aragó).]] |
[[Fitxer:Cuenca del Segre.png|thumb|300px|En groc, la Conca del Segre (Catalunya, Andorra i Aragó).]] |
Revisió del 15:15, 10 oct 2018
Tipus | Curs d'aigua, riu i riu aurífer ![]() | ||||
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Inici | |||||
Continent | Europa ![]() | ||||
Cota inicial | 2.843 m ![]() | ||||
Entitat territorial administrativa | Alta Cerdanya (França), Pirineus Orientals (França) i districte de Prada (Catalunya del Nord) ![]() | ||||
Localització | Vessant nord del Pic Petit de Segre | ||||
Final | |||||
Cota final | 70 m ![]() | ||||
Entitat territorial administrativa | província de Saragossa (Aragó) ![]() | ||||
Localització | Mequinensa ![]() | ||||
Desembocadura | Ebre ![]() | ||||
| |||||
Afluent | |||||
Conca hidrogràfica | conca de l'Ebre ![]() | ||||
Dades i xifres | |||||
Mida | 265 (![]() | ||||
Travessa | Cerdanya, Alt Urgell, Noguera, Segrià i Baix Cinca | ||||
Superfície de conca hidrogràfica | 22.400 km² ![]() | ||||
Mesures i indicadors | |||||
Cabal | 100,2 m³/s (Seròs) ![]() | ||||
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/64/Cuenca_del_Segre.png/300px-Cuenca_del_Segre.png)
![](http://upload.wikimedia.org/wikipedia/commons/4/48/Alimentaci%C3%B3n_nivopluvial.png)
El Segre (del llatí Sicoris Flumen; flumen = riu) és un riu de Catalunya, afluent de l'Ebre per l'esquerra. La conca comprèn territoris de tres estats: França, Andorra i Espanya.
Neix al vessant occidental del Pic de Segre, al nord-oest del Coll d'Er, al nord del Pic Petit de Segre, al nord-est del Puigmal de Llo i al capdamunt -extrem de migdia- dels Clots del Segre, a l'Alta Cerdanya, en el terme comunal de Llo; desemboca, després de recórrer 265 quilòmetres, al riu Ebre, al seu pas per Mequinensa (Baix Cinca).
Al llarg d'aquest recorregut hi ha els embassaments d'Oliana, Rialb i Sant Llorenç de Montgai. En surten diversos canals i séquies de regadiu: el canal Segarra-Garrigues, el canal d'Urgell, amb les séquies corresponents: el canal de Balaguer, el canal de Seròs, etc. En els textos catalans medievals, escrits en llatí tardà, se l'anomena Ribo Sequere (a partir de l'any (815) o Flumen Secore (el 840).[1] Considerant-ne la longitud, el cabal i la conca, és el principal afluent de l'Ebre.
A la fi dels anys 2010, s'hi han observat (essent una de les primeres vegades en terres mediterrànies) zones infectades pel julivert gegant, una espècie invasora que als rius d'Alemanya causa anualment uns deu milions d'euros de danys, ja que fomenta l'erosió.[2]
Afluents del riu Segre
Des del naixement fins a la desembocadura a l'Ebre:
Termes municipals i comunals que travessa
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/64/Projecte_de_canalitzaci%C3%B3_del_Segre.jpg/220px-Projecte_de_canalitzaci%C3%B3_del_Segre.jpg)
Des del naixement fins a la desembocadura a l'Ebre:
Referències
- ↑ Bolòs i Hurtado, 2008
- ↑ Aymerich, Pere «Sobre algunes espècies al·lòctones a l’alt Segre (NE de la península Ibèrica), noves o molt rares per a la flora catalana». Orsis Organismes i sistemes, vol. 27, 2013, pàg. 195-207.
- ↑ «Segre». Gran Enciclopèdia Catalana. Barcelona: Grup Enciclopèdia Catalana.
- ↑ «Segre». Gran Enciclopèdia Catalana. Barcelona: Grup Enciclopèdia Catalana.
- ↑ «Segre». Gran Enciclopèdia Catalana. Barcelona: Grup Enciclopèdia Catalana.
Bibliografia
- BOLÒS, Jordi i HURTADO, Víctor. Atles del Comtat d'Urgell (v788-993). Barcelona: Rafael Dalmau, 2008. (Col·lecció "Atles dels comtats de la Catalunya carolíngia"). ISBN 84-232-0700-5.
![]() |
Viquinotícies conté notícies i pàgines d'actualitat relacionades: La captació d'aigua del Segre seria per un màxim de vuit mesos. |
{{#coordinates:}}: no hi pot haver més d'una etiqueta primària per pàgina