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ALBERT SANTASUSAGNA RIU, JOAN TORT DONADA Department of Geography. Universitat de Barcelona Urban green space planning in four Catalan river cities. The Spanish Land Act (Ley del Suelo) as an opportunity for urban transformation I. INTRODUCTION materialize in Europe in the 1970s, ‘80s and ‘90s. Sever- al authors coincide in identifying three key factors in this he river environment presents different levels of eco- urban transformation: first, the regularisation and greater system quality depending on seasonal variability but, control of the flood risk; second, a growing environmen- moreT especially, on the anthropic pressures derived from tal awareness throughout society; and third, the historical industrial development, land use and human settlement. evolution and functional loss of the uses and activities Although during much of the nineteenth century Europe’s that traditionally existed in these spaces. major rivers represented the “commercial gateways” into their cities, during the first half of the twentieth century the first environmental problems associated with river II. THE ROLE OF EUROPEAN AND SPANISH ecosystems began to emerge. In Mediterranean urban ar- REGULATIONS GOVERNING THE MANAGEMENT eas, the degradation of river courses has been the result OF URBAN RIVER SPACES of a complex process, reflecting multiple socio-economic changes in the territorial planning and with significant A series of measures and regulations have emerged consequences for the natural environment. in response to the problems generated by the degradation However, the intensive use of urban river areas dur- of the environment of Europe’s rivers in recent decades. ing the last century has been combined with other ac- These measures not only focus on water as a resource and tivities that are more compatible with the environment, on the management of river ecosystems, but are also con- being derived as they are from the direct use of the areas cerned with achieving compatibility with human actions. resources. Thus, urban and peri-urban agriculture has One such regulation, of critical importance for Europe played an essential role in the historical transformation and Spain, is the so-called Water Framework Directive of these spaces, and has materialized in the shape, for (2000/60/CE). The concept of an integrated water policy, example, of urban gardens along riverfronts. This has free of sectoral approaches, is the main characteristic of contributed, in some cases, to the development of a land- this particular measure. Parallel to the implementation scape of great cultural value. of the Water Framework Directive, river areas in Europe The urban and peri-urban riverscapes have also been have also been regulated in terms of various technical historically productive, since they have been used for parameters, including flood risk and urban planning. In agriculture and livestock, forestry and hunting, activities Spain, this has been achieved, on the one hand, by the that, in recent decades, have been reduced or replaced by adoption of the European legal framework established by industry, leisure and tourism. Indeed, the transformation Directive 2007/60/EC, on the assessment and manage- of the urban river spaces is a phenomenon that began to ment of flood risks and, on the other, through the regula- Volumen 2018-2. Año XXXVIII, pp. 247-250 248 ERÍA tion of the natural watercourses (Real Decreto 849/1986, the Land Act (1956) and its subsequent reform (1975), de 11 de abril, por el que se aprueba el Reglamento del constituting as it did the legal basis for the creation and Dominio Público Hidráulico que desarrolla los títulos concentration of public green spaces in river areas. In this preliminar, I, IV, V, VI, VII y VIII del Texto Refundido de study, we consider these green spaces as being all those la Ley de Aguas, aprobado por el Regal Drecreto Legis- areas of parks or gardens under public ownership that lativo 1/2001, de 20 de julio), which establishes a zoning have been projected or expanded since the 1950s down to of the river spaces from the perspective of permitted uses the present day in each of the cities analysed. Green areas in line with given return periods. associated with traffic or those that are privately owned Apart from these technical criteria, Spain’s river are not considered. For this study we have selected four spaces have also been regulated by the implementation cities that can be deemed representative of the intrinsic of urbanistic rules, specifically the first town planning diversity of the Catalan territory and which present very legislation to be approved in the country: namely, the different demographic, economic, social, urban and en- Land Act (Ley de 12 de mayo de 1956 sobre régimen del vironmental characteristics —Manlleu (pop. 20,007), suelo y ordenación urbana), which is the cornerstone of Terrassa (pop. 216,428), Lleida (pop. 137,327) and Sant Spain’s urban planning law. The planning instruments Adrià de Besòs (pop. 36,624). studied in this article are in all cases the direct result of The analysis of these four case studies has required this legislation and a subsequent amendment (specifical- the examination of the urban plans that arose from the ap- ly, Ley 19/1975, de 2 de mayo, de reforma de la Ley sobre proval of the Land Act (1956) and its reform (1975). Spe- régimen del suelo y ordenación urbana). Other regula- cifically, therefore, our study includes the analysis of the tions include the Plan General de Ordenación Urbana Manlleu urban plan (Plan General de Ordenación Ur- (that is, the general urban land-use plan, henceforth the bana of 1964), three Terrassa urban plans (Plan General PGOU), which is the basic instrument for the integrated de Ordenación Urbana of 1951, Plan General de Or- territorial planning of one or more municipalities, and the denación Urbana of 1983 and Plan Especial del Parque Plan Especial (that is, the special plan, henceforth the de Vallparadís of 1989), two urban plans for Lleida (Plan PE), which provides for the specific applications of the General de Ordenación Urbana of 1952-1958 and Plan PGOU. All these instruments have historically organized General Municipal de Ordenación Urbana of 1979- the urban space as a whole and have also addressed, in 1995) and, finally, the Sant Adrià del Besòs metropolitan certain cases, the planning of the river spaces. plan (Plan General Metropolitano de Barcelona, 1976). One of the great advances made by the first Spanish All these sources have been consulted in their respective Land Act (1956) was that it qualified, for the first time historical archives (Archivo Municipal de Manlleu, Ar- and in a comprehensive manner, the free spaces reserved chivo Municipal del Ayuntamiento de Terrassa, Archivo for the leisure activities of Spain’s citizens. This provi- Municipal de Lleida and Fondo Metropolitano de la Bib- sion meant municipal urban planners had to reserve 10% lioteca del Área Metropolitana de Barcelona). of the surface area for public parks and gardens. In prac- tice, its application meant that city architects and urban planners —the authors of the municipal (PGOU) and IV. SUMMARY OF THE FOUR CATALAN special (PE) plans— had to designate new free spaces CASE STUDIES (parks and public gardens) throughout the city. In the case of Spain’s river cities, this was to have a marked In the case studies undertaken in Catalonia, what is impact. These planning requirements were also includ- especially evident is the central role played by the Plan ed in the reformed 1975 Land Act, which, among other General in all municipal planning decisions. Albeit under specifications of a clearly expansive view, provided for a different names, the Plan General, without exception, minimum of 5 m2 of green space per inhabitant. provides the main planning objectives and lays down the strategies for tackling urban-river spaces. This indicates, first and foremost, that cities that have developed along III. OBJECTIVES, SOURCES AND METHODOLOGY the banks of a river present a broad set of specific char- acteristics that their urban plans seek to address. Thus, Our main objective in this article is to analyse various although the main urban regeneration work in the cases river cities in Catalonia (NE Spain) that can be consid- studied took place in the 1980s and 1990s, the municipal ered significant examples of the relevant role played by planning documents drawn up in the 1950s, ‘60s and ‘70s URBAN GREEN SPACE PLANNING IN FOUR CATALAN RIVER CITIES. THE SPANISH LAND ACT (LEY DEL SUELO)… 249 saw the river spaces as a critical element of the urban cipal green area, and is the legal instrument that justi- fabric: in short, they constituted the primary elements of fied the expropriation of the old riverside horticultural the cities’ large scale projects. areas and their subsequent development. In Terrassa, the In Manlleu, the Plan General de Ordenación Ur- Plan General de Ordenación Urbana of 1951, very much bana of 1964 proposed a thematic redevelopment of the based on an early draft of the 1956 Land Act, provided riverfront, focused on promoting its use for sports and for 7.5 m2 of green space per capita, largely concentrated recreational activities. In Terrassa, the Plan General de in the Vallparadís parkway project —which, although not Ordenación Urbana of 1951 proposed a solution for the yet adopted definitively, remained a proposal in latter ur- torrential river that runs through the heart of the city: the ban plans. park-way of Vallparadís which, although not definitively In the case of Lleida, the Plan General de Ordenación approved by the council, was resurrected in the Plan Es- Urbana of 1952-1958, although adhering to the provi- pecial del Parque de Vallparadís of 1989. In Lleida, the sions of the Act with respect to green spaces, did not Plan General de Ordenación Urbana of 1952-1958 con- consider the Segre riverbanks as a potential reserve for sidered it a priority to plan, from both an architectonic such spaces.

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