FRAGSTATS MANUAL PDF

Creating a Model. Selecting Input Layers.. Specifying Common Tables [optional]. Setting Analysis Parameters.

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Para la matriz de adyacencias tenemos una matriz de doble entrada, donde cada clase de parches tiene un ID correspondiente al valor asignado a tal clase y cada celda de la matriz contiene el valor de adyacencias de la celda para cada par combinatorio de clases. However, and this is quite tricky, interior background is in essence excluded from the total landscape area in a number of class and landscape metrics that involve summarizing patch or class metrics.

For example, mean patch area is based on the average size of patches at the class or landscape level. If interior background is present, mean patch size as computed by FRAGSTATS will not equal the total landscape area divided by the number of patches, because the total landscape area includes background area not accounted for in any patch.

Similarly, the area-weighted mean of any patch metric i. Here, the proportional area of each patch is not based on the total landscape area, but rather the sum of all patch areas, which is equivalent to the total landscape area minus interior background. Si especificamos un borde, necesariamente debemos dar el edge depth.

No se permite asignar un valor 0 a una clase que no sea fondo. Seleccionar los nombres de los archivos de entrada navegar hasta el archivo deseado y de salida arignar un "basename". Debe ser cuadrado. Seleccionamos el valor 1. En nuestro caso se trata de una matriz de 65 filas.

En nuestro caso se trata de una matriz de 65 columnas. Regla de vecindario para los parches Patch Neighbor Rule : seleccionamos entre la regla de 4 ortogonales u 8 ortogonales y diagonales vecinos.

ClassID, es un valor entero que corresopnde al valor de la clase en el paisaje ClassName, nombre descriptivo de la clase no puede incluir comas Status, determina si la clase debe ser procesada y agregada en los resultados true o si debe ser ignorada en el archivo de salida false.

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FRAGSTATS MANUAL PDF

Tygobar Processing approach and data handling procedures ultimately determine the efficiency and capabilities of an integrated system. Much of the data input and processing was done with ArcInfo AML, but the indices calculation was done with C programs, i. Right-mouse click on the layer name EAplusand select Properties. These tools readily extend landscape structure analysis to other spatially dependent variables, such as the distribution of animal populations. Fragstats was developed to look at patterns present in areal patches data and, while it has been used principally to look at environmental data, the methodology can be applied to urban landscapes e.

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