PRODUCED IN SOUTH biwi

REFINED CATTLE MANURE FROM

Description of the factory and its products with reference to fertilization OB-SLURLESS

The OB-SLURLESS system installed in Biogas is an innovati ve soluti on in the fi eld of volume reducti on and nitrogen removal of animal slurry and digestate.

OB-SLURLESS is based on a series of mechanical treatments of separati on and concentrati on via reverse osmosis membranes, that uses a combinati on of Vibratory Shear Enhanced Processing (VSEP), a patented, fouling-resistant membrane fi ltrati on system, and 2 other spiral reverse osmosis stages. Finally, the digestate is separated into 3 parts:

PURIFIED CONCENTRATE SOLIDS BIWI WATER Ammonium-based PLUS pellet liquid ferti lizer for Organic NP ferti lizer agronomic use Italian Nati onal Register of Ferti lisers No. 0021548/18

View of the fi rst part of the system in Biogas Wipptal Special – Biogas Wipptal GmbH/Srl Wipptal Special – Biogas fi rst full scale plant in the world for digested cow manure treatment manure cow digested for in the world plant full scale rst fi

View of second part of the system in Biogas Wipptal

www.obimpianti .com CONTENT

P. 04 Fertilization

Fertilizer utilization Mineralization P. Application periods 18 Products of the “Biogas Wipptal” facilities Fertilizer Biogas Electric power P. 10 Fertilizer application

House and garden Fertilization on meadows and pastures Farmland/Cropland P. Permanent crops 20 Biogas plants in general

P. 14 About the factory of P. 21  Biogas Wipptal” Final remark“ Fertilization

The fertilization of fields and farmland, of permantent crops such as apple orchards, vines and other pluriannual cultures, must be assessed on an individual and specific basis. It depends on the type of culture, on their specific requirement of nutrients along the vegetation period, on the cropping intensity as well as the specific soil characteristic with its individual texture and preexisting available nutrient-content and the fertility of the ground.

In South Tyrol the dimensioning of the applied fertilizer is predominantly related to the VDLUFA (Association of research and experimental institutes of german agriculture), as exerciced in the experimental centre Laimburg. Thereby each nutrient is assessed on an individual basis – in addition an overall ground balance is created, classifying the results into 5 supply categories as shown in the following table:

Nutrient composition Meaning Dosage in the ground

very low Deficit 2-fold preservation A fertilization

B low Slight deficit 1½ preservation fertilization

C medium Sufficient Preservation fertilization

D high Slightly excessive Half preservation fertilization

E very high Excessive No Fertilization

The content in the soil is assessed Fertilization scheme according to VZ Laimburg by means of a ground analysis and should be iterated in a 3-5 year-span.

04 After the fermentation process, manure is in part returned to the Based on the supply category C, which is associated farms. characterized by a sufficient availability of nutritive substances for the cultivated culture, the amount of fertilizer accounts to such a sum that the culture is sup- plied in an adequate way, not too much and not too little. Such a nutrient supply Use of the fertilizers guarantees a sufficient support for the years to come, securing also agricultural The amount of applied fertilizer per yield. Knowing beforehand the dosage hectare must not – depending on alti- for the supply category C, the quantity tude – surpass a nitrogen dose of 170 to apply for the other categories can be kg/ha/year, to prevent overfertilization deducted. of meadows and arable land. Morevoer, there is to consider that production areas With this variety of criteria, it is essential in South Tyrol are not equally flat but to make the right choice (on fertilizer) in moutainous and thus render operations, the right moment, given the case of a including land treatment and necessity to quickly render available nu- fertilization, difficult. tritive substances or on contrary deceler- ating nutrient release. Mineralic fertilizers On principle, slopes and flat plains must are sold alongside organic fertilizers - be evaluated differently, considering availability of nutrients during the period the larger extent to which superficial of vegetation and fertilization effects on fertilizer-leaching is occuring on slopes; the long run are hence taken for deciding furthermore, mechanical application factors. Application methods depend on is impeded and limited. These consid- the availability of adequate machinery, erations play an important role in the furthermore accessability and the overall catchment area of Biogas Wipptal, given slope are crucial. a 40-50%-proportion of the totale managed surface, from which its manure More and more frequently environmental input originates, being sloping locations effects are arising because of improper and are limited in their availability as fer- fertilization – may it be caused by sur- tilization area. The return of the totality face leaching, infiltration into groundwa- of fertilizers and its application on the ter, the olfactory disturbance or vapor- residual area would lead to an overfertili- ization/dust. The cultivation method in zation of the agricultural areas. line with the concept of organic farming and its different aspects, as well as the integrated or traditional production Do you know? methode are now introduced into the public discussions more and more. Through the measure of drying and subsequent The fertilizer of “Biogas Wipptal” is production of pellets, suitable for each of these applications, the excessary part is sold equalizing an organic fertilizer, for agri- elsewhere and utilized for the tilization

cultural exchange between farmers. fertilization of other cultures. F e r

05 The digested material is free from substances which could hamper the biological activity during the fermentation process or subsequently in the ground.

Biogas Wipptal processes only dung absorbable to the plant, but rather in and liquid manure, no energy crops such bound form, becoming available in the as cereals are treated. In addition, no moment of mineralization in the ground. preventive medication or physiologically eff ective substances are applied in the The pelletizzed form has a distinct livestock breeding on the associated long-term-eff ectiveness as nutrients are farms. Medication is prescribed by the present in bound form, but are neverthe- veterinaire only for therapeutical less transformed by microorganisms and purpose. enzyms in the soil into the water-soluble form, yet in a timely decelerated way The two liquid forms contain the nu- compared to the liquid forms. The pellets tritive substances nitrogen, potassium, are easily storable, completely odorless, phosphore, magnesium – not in wa- rendering them interesting especially for ter-soluble form, hence directly private usage, comprising balcony plants, flower beds and gardens.

06 Long-term fertilizers should be applied Mineralization at the beginning of the vegetation periode, due to the proportionally slow- The organic fertilizers deriving from the ing down of their fertilization effect in biogas facilities contain small portions relation to augmenting soil temperature; of free-floating nitrogen, for the reason meanwhile also plant growth is boosted, of nitrats and ammonium salts being creating a synergy of these two effects. transformed into organic matter, pre- This is especially true for multipluriennal dominantly into bacteria mass. As soon cultures i.e. apple cultures or viticulture. as application takes place, nitrogen is Vegetable cultivation requires a prepa- converted into water-soluble products, ration of the plant bed beforehand to a process called the mineralization of seeding, also concerning the fertilization organic substances – often referred to application. The last three weeks before as “formation of humus”, whenever the harvest, in general, no more fertilization transformation takes place by means of, measures should be taken. or to huminic acids.The mineralization is conducted by encymes and bacteria These fertilizers are easily applicable, cultures living in the soil. It depends on stimulate the soil fertility and boost the temperature of the soil, augments root growth. On meadows this effect is with temperatures around 12-15°C and especially noticeable regarding leaf mass reaches its hightest intensity with ground proportion, slightlier in relation to weed temperatures around 20-25°C. Thereby growth; soil aeration and chemico-phys- air supply of the ground plays an es- ical composition and airiness is improved sential role, thus mineralization rates in by long-term fertilizers and has a posi- compressed soil diminuish related to the tive effect on the soil fertility. difficult aeration.

The mineralization of liquid fertilizer is carried out more quickly by reason of a Do you know? more evenly distribution in the ground. In the case of long-term pellet, the mineral- Peceding to any choice about specific ization rate is decreased, because pellets fertilization methodes a soil sampling need first to be soaked and subsequent- and analysis should take place, by ly be mineralized from the outside to the means of which the characterization inside. of an individual ground is assessed, on whose basis fertilization measures All three forms of fertilizer boost plant- - concerning type, quality and based roots growth, the rhizome is quantity - can then be aligned. strengthened and consequently the Accordingly, the experimental centre nutrition supply is intensified. The enzy-

of Laimburg and the consultancy matic activity in the soil boosts soil fertil- of the mountain farmers, called ity in general and supports the formation “Bergbauernberatung”, are present of solid swards on meadows, which on to give recommandations relating to one side leads to higher harvest rates as the implementation of appropriate well as a prolonged water retention. tilization

measures F e r

07 It represents moreover a contermeasure On account of the low water to erosion, particolarly regarding sloping content of pellet of 10-12%, positions and hillsides. The pellet BiWi they are: consist solely of dried, anaerobically fermented bovine dung originating from livestock farms in the sourroundings of , without any adding of co-fer- ments like cereals, maize etc. – neither are spreadable and any chemical substances added to the odorless process. easily applicable

In the vegetable cultivation the synergie of soil temperature, mineralization rate and nutritive substance requirements of vegetables apports positive effects. With increased soil temperature plant growth not-adhesive storable is boosted, though necessiting a higher on the nutrients availability; accordingly, miner- long-term alization rates of fertilization-pellets are incremented and cause the release of an appropriate amount of nutrients. (S), Bor (B) and else, given the enzymat- Concerning the fermentation residues of ic activity in the soil to rendering them the biogas facilites, the nutritive sub- available to the plant. stances are released in the moment of highest demand, evading in consequence Through the treatment of natural fertilizer the leaching out of nitrats into the originating from the associated farms, a groundwater or rivers; all nutrients are high-quality, refined fertilizer is created, recycled and promote an improved har- that is in part also returned to the agricul- vest development. tural holding. Because of the inclination which allows only reduced application, All three types of fertilizer apport proper one must consider the quantity limita- basic supply for the ground with a bio- tions regarding the applied dosage. logic, slow acting organic fertilizer, who However, the facilities of biogas offer the effectuates a steady nutrient release over opportunity to essicate and pelletize any the vegetation periode. This determines excessary fermentation product so as to the supply with essential nutrients that selling them on new markets. Thus, on the promote root growth, stimulate plant one hand, the fertilization amounts align fertility and support seed formation. This with the 170 kg of nitrogen per hectare comprises all necessary nutritive sub- per year that are prescribed by law and stances, including the main nutrients Ni- overfertilization is prevented – positive trogen, Phosphore and Potassium (NPK), facts in regard to the mangament of alongside Magnesium (Mg) and Calcium meadows and acres -on the other hand (Ca) and additionally trace minerals such corresponding sales revenues are as Iron (Fe), Manganese (Mn), Sulphur improving the efficiency of the factory.

08 Application times consultation. The direct integration – by means of injection – into the sward The right timing is essential for fertiliza- improves efficiency and diminuishes tion: the two types of liquid fertilizers, leaching. which are mineralizing relatively rapidly, render nutrients available in the very It is prohibited to fertilize in the winter moment of intensified growth, hence period and on frozen soil: a rather point- determining an application prior or at less effort, given the superficial leaching the beginning of the vegetation period. of the major part and the consequently For multiple grass clippings this includes caused contamination of the environ- a distribution at the beginning of the ment and water bodies. In fact, the vegetation period and after each cutting. fertilization effect is lost, while gaining a The relative amount depends particularly negative operating result and polluting on the intensive or extensive farming the surrounding. system and must be determined through

tilization F e r

Modern application technique with direct injection into the ground

09 Fertilizer application

House and garden

Balcony flowers

During cultivation 35 g

after 4-6 weeks 30 g

after 8-12 weeks 25 g

The cited amount relates to gramm per meter balcony box. The intensity of additional fertilization depends on the den- sity of planting and flourishing/growth intensity. Through crushing pellets prior to distribution, an even and homogene distribution is enabled, facilitating subsequent mineralization.

10 Vegetables

Vegetables Basic fertilization Every 4th week

Cucumbers, tomatoes 150 g/m2 150 g/m2

Indivie, potatoes, kohlrabi, spin- ache, onion 150 g/m2 120 g/m2

Beans, lettuce 150 g/m2 50 g/m2

Carots 120 g/m2 90 g/m2

Pees, radish 60 g/m2

Strawberry 120 g/m2 90 g/m2

Herbs 80 g/m2 80 g/m2 application tilize r F e r

11 Fertilization on meadows and pastures

Digestate Liquid concentrate BIWI Pellets

2/3-times-cutted After each cutting; not in After each cutting Preferably in spring: meadow intensiv the vegetation break 12-15 m3/ha 3000 kg/ha, small doses 40 m3/ha after harvest: 1000 kg/ha

2/3-times-cutted After each cutting; not in After each cutting Preferably in spring: meadow extensiv the vegetation break 10 m3/ha 3000 kg/ha, small doses 30 m3/ha after harvest: 1000 kg/ha

Meadow-pasture At the beginning of the At the beginning of the Preferably in spring: vegetation period: vegetation period or in 3000 kg/ha, small doses 30 m3/ha autumn: 10 m3/ha after harvest: 1000 kg/ha

Farmland/Cropland

Digestate Liquid concentrate BIWI Pellets

Integrated into the soil Integrated into the soil Integrated into the soil as basic fertilisation as basic fertilisation as basic fertilisation Maize 40 m3/ha 10-12 m3/ha 3000 kg/ha

Integrated into the soil Integrated into the soil Integrated into the soil as basic fertilisation as basic fertilisation as basic fertilisation Rape 40 m3/ha 10-12 m3/ha 3000 kg/ha

Integrated into the soil Integrated into the soil Integrated into the soil as basic fertilisation as basic fertilisation as basic fertilisation Potatoe 30 m3/ha 10 m3/ha 2500 kg/ha

12 Integrated into the Integrated into the Integrated into the soil soil as basic soil as basic as basic fertilisation Crop fertilisation 30 m3/ha fertilisation 10 m3/ha 2500 kg/ha

Integrated into the Integrated into the Integrated into the soil soil as basic soil as basic as basic fertilisation Vegetable fertilisationt 30 m3/ha fertilisation 10 m3/ha 2500 kg/ha

All precedently cited values must be considered as indicative and should guarantee the long-term-availability of nutritive substances in the ground. In case of individual fertilization according to the specific culture, especially in the moment of occurring deficiency symptoms or physiological disorders, it is recommended to consult an agricultural information centre.

Permanent crops

Digestate Liquid concentrate BIWI Pellets

At the beginning of the vegetation periode 10-20 m3/ha Biogas-fermentation residue or 3-6 m3/ha of Apple coltivation corresponding concentrate. The application should be carried out predominantly into the tree line.

At the beginning of the vegetation periode 10-15 m3/ha Biogas-fermentation residue or Vineyard 3-5 m3/ha of corresponding concentrate. The application should be carried out predominantly into the vine line. In case of concentrate- utilization, there exists the opportunity of subsequently making use of drip irrigation to bolster the transfer of nutritive substances into deeper root areas.

The concentration in the liquid concentrate contains in proportion 2 to 3-times as many nutritive

substances as tye digestate. The chemico-physical characterisitcs are preserved (non-corrosive, same application tilize r pH-value etc.). Depending on the dilution, the totale amount of distributed nutrients in the concentrate

should correspond to the one in the raw digestate. F e r

13 About the factory of “Biogas Wipptal”

Return to the suppliers

COLLECTION Transport with OF MANURE special vehicles AND SLURRY BIOGAS WIPPTAL PLANT

LIQUID 70.000 t

Separation

33.000 t SOLID

14 About the factory of “Biogas Wipptal”

33.000 t

MEADOWS AND FIELDS

PURIFIED 18.000 t WATER

Membrane systems RIVER

Concentrate 13.500 t

2.000 t

NATURAL WINE, FRUIT Drying Pelletizing FERTILIZER IN AND PELLETS HORTICULTURE

15 16 The factory of “Biogas Wipptal” treats the in-house livestock breed- by means of anaerobic fermentation ing, origin of the raw material dung, slurry and liquid manure coming 01 and destination for the re- from lifestock farms in Wipptal. This turned and upgraded fertilizer hermetically sealed fermentation process converts with the support of anaerobic bacteria cultures all present plant the actual, underlying nutrient matter into a high-quality moulding process in the fertilizer. The nutritive substances are 02 factory therefore not lost, but transformed.

The processing of the natural live- the final products biogas, stock-farm fertilizer can – for purpose of current, different types of a better understanding – be divided into 03 fertilizer three stages: Composition of dried BIWI Element Unit Analitic Value Threshold pellets Value

Phosphate totale P2O5 tot % 2,00 2,00 min

Organic Nitrogen N org % 1,7 ---

Total Nitrogen N tot % 1,75 1,50 min

Organic Carbon C org % 40,00 30,00 min

Ash % 4,00 20,00 max ”

N org + P2O5 % 3,70 3,50 min W ipptal as

Potassium K2O % 3,10 2,00 min io g “B

Water content H2O % 10,00 10,00 max

The three types of fertilizer originating that must be taken into account when

from the facilities of “Biogas Wipptal” dimensioning the amount of applied of ry facto contain the same nutritive substances fertilizer. The crucial factor is either the the and are differentiateted solely by the water content or conversely the dry specific concentration contained in the matter content.

various final products; a consideration A bout

17 Products of the “Biogas Wipptal” facilities

Fertilizer foregos to utilize any type of co-ferment, such as cereals or similar. Since these Biogas Wipptal produces three types of fermented products release their nutri- organic fertilizer, originating exclusive- tive substances only during the minerali- ly from the anaerobic fermentation of zation process in the ground, no leaching liquid manure and farmyard manure of and transportation into groundwater associated farmes in the surrounding. occurs. Adversely to other biogas facilities – especially in the neighbouring countries as well as the Po Valley – Biogas Wipptal

2 1 Liquid Digestate concentrate Digestate as it derives from site, is The liquid concentrate is identical with the integrated into the ground with special product in point 1, merely their nutritive machinery and represents a quick-reacting substances are present in a more concentrated fertilizer. It is odorless, non-corrosive to form. PH-value and similar characteristics are the sward and does not contain any slimy maintained; therefore, the product is – exactly proportion. Its dry matter amounts to as the product above – non-corrosive. The 10%, while water content accounts for poorer water content implies positive eff ects around 90%. Due to the spanding with on transportation costs relative to far off special equipment and directly into the destinations since solely one third of volume soil, no nutritive substance is reduced and weight is accounting for the same through drift. eff ectiveness in fertilization.

18 hour in the case of facility capacity ex- pansion. First and foremost, the biogas is Each of the three final products desulphurised, as sulphuric leftovers are is scentless, simplifying their detrimental to subsequent applications, spreading as no disturbances to facilitating corrosion and generating the surrounding area is caused. harmful emmissions (Sulphur dioxide, SO2). Part of the biogas will be utilized for the maintainment of the fermenta- All three types of fertilizer are equal in tion temperature, the remainder could their odorlessness, homogeneity and prospectively be sold as combustible hygienic unexeptionable usage. No gas, necessiting a conversion and thus leaching of nutrients i.e. nitrats is caused, implicating a reduction in watery con- preserving ground water and water qual- tent, so as to attain a minimum of 90% ity in rivers. Moreover, these products in methane gas content. exhibit a long consistency in their nutrient composition over the intervening years. The eff ect of fertili- Electric power zation expands over several years with diminuishing tendency. One proportion oft the biogas will be converted by alternators, Jenbacher mo- tors, into electric power, supplying the Biogas biogas production site with the neces- sary electric energy, while the excessary The amount of biogas resulting from the part is fed into the local power grid. anaerobic fermentation process amounts to about 170m3/hour (status as of 2017), Therefore, the biogas facility does not capable of improving to around 400m3/ generate any waste products – all gen- erated products, i.e. fertilizer, biogas and electric current are utilized in a profitable manner and are recycled as secondary raw materials.

3 Solid fertilizer Solid fertilizer in form of pellets, a slow acting fertilizer, deriving from the dehydration of the fermentation residue in point 01 by means of reverse osmosis, drying and pressing it into pellet. Thereby it can be stored over long periods without any negative eff ects. It is characterized as long- term fertilizer, displaying its eff ectiveness in the moment of mineralization in the ground. Biogas plants in general

A biogas plant is a modern fermenta- hermetically sealed fermentation process tion-technology, monitored and con- (=anaerobic fermentation). trolled in an intelligent and efficient way with the scope to process biologically The resulting valuable fertilizers are degradable substances of biomass or or- odorless and have lost their corrosive- ganic waste, bind without any losses the ness. The water-soluble parts are com- water-soluble content, preserve all the pounded and preserved for fertilization core- and secondary elements as well as power; this includes also main-, sec- trace minerals and render them useful ondary- and micro-nutrients. Potential as fertilizer. At the same time, biogas pathogenic germs are degraded. is produced, which covers the factory’s internal energy demand. The excess of During anaerobic fermentation organ- fertilizer and biogas are sold for the eco- ic matter is converted into permanent nomic efficiency of the factory. . humus and nutritive humus. Perma- nent humus improves soil structure on Dung, slurry and liquid manure are waste a sustained basis, nutritive humus is products deriving from livestock breed- predominantly made up of humic acids. ing, which can be applied as natural Both support the enrichment of organic fertilizer in agriculture following the matter in the ground, increase the water concept of circular economy and creat- retention capacity, enhance soil aeration, ing a positive fertilization effect.Y et an support edaphic life and and intensify unfavorable aspect is present with the soil fertility. intensive smell of ammoniac and sulfuric compounds, which leads to a large-scale By means of the fermentation process, nuisance. biogas is produced, consisting mainly of

methane, water and CO2, which is then This raw-fertilizer often reacts ag- utilized for current- and heat-genera- gressively and corrodes the sward, the tion, hence creating added value. water-soluble parts like nitrats, ammonia and other soluble nutritive substances Besides agricultural waste of livestock can easily be leached out and contami- breeding, also starchy and sugar-con- nate ground water and rivers where fish taining products such as maize and stock and river life are harmed. Further- cereals as well as aliphatic products can more, the solid substances cover the theoretically be fermented; these are delicate torf, hence preventing it from air so-called co-ferments. This is not the supply and in consequence, impairing its case for protein-containing products growth. which are not eligible for the application in biogas facilities. Biogas factories are facilities of mod- ern circular economy: solid and liquid excrements of livestock farming are homogeniously mixed, then undergo the

20 The fermentation process in mesophilic facilities is run around temperatures be- tween 44° and 45°C, a threshold range Retention time of liquid manure in that should be kept constant, making the fermentation tank accounts to a churning and heating especially in winter minimum of 30 to 40 days. periods necessary. The electric- and heat-requirement on site is covered by The more holding time is extended, the part of the biogas – the bigger part is more the methane conversion rate and sold and supports the amortization of quality level of liquid manure is increased. operating costs. Moreover, the risk of acid burns caused by digested manure is reduced to a minimum.

Final remark

The facilities of Biogas Wipptal utilise • Biogas is partly transformed to electric modern tecnological insights to conclude current for the internal demand of the a circular economy concept regarding the facility – the electric energy surplus is circulation of (natural) fertilizer of live- sold externally stock breedings in the valley of Wipptal, South Tyrol. Waste products are con- The facilities of Biogas Wipptal do not verted by means of modern, efficient and produce any residual waste products. ecological technology into new, valuale The associated livestock farms operate products: in an economical modern, efficient and • Dung and manure are transformed and ecologically sustainable way. The balance raffinated into biodegradable fertiliz- between ecological sustainability, eco- ers, which are ecologically and yield-ef- nomical autonomy and a positive social ficient, are mostly or totally free of the effect is the definition of sustainability, oliphactic component and are offered of which the “Biogas Wipptal” is a clear in 3 types of different application example. This is an example of circular forms, additionally preventing from economy in the agriculture which has overfertilization. the capability to surpass the borders of • Fertilization excess is essicated, South Tyrol. pelletized and displayed on the free market in base of the specific application. • Biogas is utilized for efficient operating

of the factory, excessary parts are sold r ema k as energy source in a climate-innocu-

ous manner. F inal

21

Via Largo Terzi N.14 - 25031 Capriolo (BS) - Tel. 035-935052 - [email protected] www.falconiengineering.it

Pellet Mill Cooler

The company FALCONI ENGINEERING CM Srl for over forty years it has been involved in the constructi on of machines for processing, transporti ng and storing cereals, both for human usage (for example mills, pasta factories and rice) and for animal usage (feed mills, farms, livestock farms). In additi on, the company has developed a plant for the storage and distributi on of feed on livestock carriers that allows the uniform loading and discharge, for the distributi on, of the tanks dedicated to the storage of fodder for the animals, for which the company has obtained the worldwide patent.

Taking advantage of this experience, the company has developed plants in the sector of pelleti ng the wood sawdust and in additi on plants for the pelleti ng of the Digested from Biogas for which it is able to provide plants with excellent producti on, low energy impact and with the limited use of personnel which will have more than just the task of supervision of the system.

Hammer Mill Plates Extractor Plates Extractor Author: Dr. Walter Huber Strada rio Molino 5 39100

Biogas Wipptal Srl Via dell’Isarco 21, I-39049 Vizze/ (BZ) - ITALy T +39 0472 76 53 89 offi [email protected]

www.biwi.it

LIFE12 ENV/IT/000671 OPTIMAL 2012

OPTImized nutrients MAnagement from Livestock production in Alto Adige

The project Biogas Wipptal was constructed with the support of the financial instrument LIFE of the European Union.

In collaboration with