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This survey requires a geographical position, being it automatically provided by the web browser or manually defined, in order to provide a location map of the answers.
The only objective of the survey is to get to know the opinions of the users and their approximate location, that way the final position can be freely modified during the process of the survey before saving the information required from the user.
As an anonymous user you can choose between:
We will try to initially situate you in an approximate position based on your IP so that then you can situate yourself correctly.
Your browser will ask you for permission to transmit to us your position based on various data (GPS, IP, wifi networks...), providing us with a position which is normally very precise and which you can edit if needed.
Register in Emapic so you don't have to perform this step for every answer and you will also be able to define a default position or automate the use of the automatic geopositioning.
Register in Emapic so you don't have to perform this step for every answer and you will also be able to define a default position or automate the use of the automatic geopositioning. (More info)
You will have to define your location on a map centered on the default position defined in your profile.
You will have to define your location on a map centered on a generic default position.
You will have to define your location on a map centered on an approximate position obtained from your IP.
Unfortunately we have not been able to locate your position in an automatic way.
Unfortunately we have not been able to automatically locate your precise position, but we have been able to obtain an approximate one from your IP.
You will have to define your location on a map centered on that approximate position.
Unfortunately we have not been able to automatically locate your position.
You will have to define your location on a map centered on a generic default position.
<span class="colour" style="color:black">El creciente desarrollo poblacional, la urbanización e industrialización</span>
ejercen una presión drástica sobre los ecosistemas fluviales. Esto provoca la
alteración de la calidad del agua y de las comunidades biológicas, siendo cada
vez más necesario establecer un control de las mismas.
<span class="colour" style="color:black">El creciente desarrollo poblacional, la urbanización e industrialización</span>
ejercen una presión drástica sobre los ecosistemas fluviales. Esto provoca la
alteración de la calidad del agua y de las comunidades biológicas, siendo cada
vez más necesario establecer un control de las mismas.
Un bioindicador es un conjunto de especies que poseen requerimientos particulares con relación a un grupo de variables físicas o químicas, tal que los cambios de estas variables indiquen para las especies involucradas que el sistema se encuentra en los límites de las curvas del óptimo ecológico.
Los macroinvertebrados bentónicos son aquellos invertebrados
con un tamaño superior a 500 μm, entre los
que se incluyen los insectos acuáticos, ácaros, moluscos, crustáceos y anélidos.
La Directiva Marco del Agua (Directiva 2000/60/CE, DMA) surge con el objeto de reducir el deterioro de los ecosistemas acuáticos. El propósito de la misma es la gestión de la calidad del agua y conservación del estado ecológico.
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