NATURA 2000 - STANDARD DATA FORM
For Special Protection Areas (SPA),
Proposed Sites for Community Importance (pSCI),
Sites of Community Importance (SCI) and
for Special Areas of Conservation (SAC)
SITE | ES4120073 |
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SITENAME | Riberas del Río Oca y afluentes |
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TABLE OF CONTENTS
1. SITE IDENTIFICATION
Back to top1.1 Type
1.2 Site code
1.3 Site name
Riberas del Río Oca y afluentes |
1.4 First Compilation date
1.5 Update date
1.6 Respondent:
Name/Organisation: | CONSEJERIA DE FOMENTO Y MEDIO AMBIENTE |
Address: |
|
Email: | dgmn@jcyl.es |
1.7 Site indication and designation / classification dates
Date site proposed as SCI: | 2000-08 |
Date site confirmed as SCI: |
No information provided
|
Date site designated as SAC: | 2015-09 |
National legal reference of SAC designation: | Decreto 57/2015, de 10 de septiembre, por el que se declaran las zonas especiales de conservación y las zonas de especial protección para las aves, y se regula la planificación básica de gestión y conservación de la Red Natura 2000 en la Comunidad de Castilla y León |
2. SITE LOCATION
Back to top2.1 Site-centre location [decimal degrees]:
Longitude: | -3.433700 |
Latitude: | 42.663000 |
2.2 Area [ha]
2.3 Marine area [%]
2.4 Sitelength [km] (optional):
No information provided
2.5 Administrative region code and name
NUTS level 2 code
|
Region Name
|
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ES41 | Castilla y León |
2.6 Biogeographical Region(s)
3. ECOLOGICAL INFORMATION
Back to top3.1 Habitat types present on the site and assessment for them
Annex I Habitat types
|
Site assessment
|
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Code
|
PF
|
NP
|
Cover [ha]
|
Cave [number]
|
Data quality
|
A|B|C|D
|
A|B|C
|
---|
| | | | | | Representativity | Relative Surface | Conservation | Global |
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3240
|
|
| 2.43
| 0.00
| P
| D
|
|
|
|
3260
|
|
| 19.72
| 0.00
| M
| C
| C
| B
| C
|
4090
|
|
| 4.23
| 0.00
| G
| D
|
|
|
|
5110
|
|
| 1.27
| 0.00
| M
| D
|
|
|
|
5210
|
|
| 0.41
| 0.00
| M
| D
|
|
|
|
6420
|
|
| 2.69
| 0.00
| P
| C
| C
| B
| C
|
6430
|
|
| 34.89
| 0.00
| M
| B
| C
| B
| C
|
8210
|
|
| 3.5
| 0.00
| G
| C
| C
| B
| C
|
9150
|
|
| 5.07
| 0.00
| G
| C
| C
| B
| C
|
9240
|
|
| 1.06
| 0.00
| M
| D
|
|
|
|
92A0
|
|
| 195.99
| 0.00
| G
| B
| C
| B
| B
|
9340
|
|
| 1.27
| 0.00
| G
| D
|
|
|
|
- PF: for the habitat types that can have a non-priority as well as a priority form (6210, 7130, 9430) enter "X" in the column PF to indicate the priority form.
- NP: in case that a habitat type no longer exists in the site enter: x (optional)
- Cover: decimal values can be entered
- Caves: for habitat types 8310, 8330 (caves) enter the number of caves if estimated surface is not available.
- Data quality: G = 'Good' (e.g. based on surveys); M = 'Moderate' (e.g. based on partial data with some extrapolation); P = 'Poor' (e.g. rough estimation)
3.2 Species referred to in Article 4 of Directive 2009/147/EC and listed in Annex II of Directive 92/43/EEC and site evaluation for them
- Group: A = Amphibians, B = Birds, F = Fish, I = Invertebrates, M = Mammals, P = Plants, R = Reptiles
- S: in case that the data on species are sensitive and therefore have to be blocked for any public access enter: yes
- NP: in case that a species is no longer present in the site enter: x (optional)
- Type: p = permanent, r = reproducing, c = concentration, w = wintering (for plant and non-migratory species use permanent)
- Unit: i = individuals, p = pairs or other units according to the Standard list of population units and codes in accordance with Article 12 and 17 reporting (see reference portal)
- Abundance categories (Cat.): C = common, R = rare, V = very rare, P = present - to fill if data are deficient (DD) or in addition to population size information
- Data quality: G = 'Good' (e.g. based on surveys); M = 'Moderate' (e.g. based on partial data with some extrapolation); P = 'Poor' (e.g. rough estimation); VP = 'Very poor' (use this category only, if not even a rough estimation of the population size can be made, in this case the fields for population size can remain empty, but the field "Abundance categories" has to be filled in)
3.3 Other important species of flora and fauna (optional)
- Group: A = Amphibians, B = Birds, F = Fish, Fu = Fungi, I = Invertebrates, L = Lichens, M = Mammals, P = Plants, R = Reptiles
- CODE: for Birds, Annex IV and V species the code as provided in the reference portal should be used in addition to the scientific name
- S: in case that the data on species are sensitive and therefore have to be blocked for any public access enter: yes
- NP: in case that a species is no longer present in the site enter: x (optional)
- Unit: i = individuals, p = pairs or other units according to the standard list of population units and codes in accordance with Article 12 and 17 reporting, (see reference portal)
- Cat.: Abundance categories: C = common, R = rare, V = very rare, P = present
- Motivation categories: IV, V: Annex Species (Habitats Directive), A: National Red List data; B: Endemics; C: International Conventions; D: other reasons
4. SITE DESCRIPTION
Back to top4.1 General site character
Habitat class
|
% Cover
|
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N06 | 17.00 |
N08 | 12.00 |
N10 | 3.00 |
N15 | 20.00 |
N16 | 48.00 |
Total Habitat Cover | 100 |
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Other Site Characteristics
El Espacio incluye varios tramos fluviales de la subcuenca del río Oca, en concreto dos tramos del río Oca y un tramo del río Homino, y de los arroyos Ojeda y Calderechano o Cantabrana. Destaca el buen estado de conservación de la desembocadura del río Oca, con gargantas fluviales muy valiosas. La mayor importancia del Espacio reside en los hábitats de ribera constituidos, fundamentalmente, por saucedas, choperas y fresnedas.
Buena parte de las riberas de la ZEC se encuentran inmersas en una matriz agrícola dominada por los cultivos cerealistas de secano que han colonizado una buena parte de la superficie potencial de ribera, siendo este proceso especialmente intenso en los cauces de menor entidad del Espacio, de manera que la vegetación de ribera queda relegada en algunos tramos a una estrecha franja entorno a las márgenes del cauce. En los cauces de mayor entidad, como el del río Oca, se han establecido plantaciones de choperas de producción, ocupando, de igual manera, superficies potenciales de formaciones naturales de vegetación de ribera. |
4.2 Quality and importance
El elemento esencial prioritario en el espacio es la presencia de poblaciones de visón europeo (Mustela lutreola).Ha sido citada también la presencia de desmán ibérico (Galemys pyrenaicus), que requiere de estudios actualizados que evalúen su distribución y estado de conservación. Otros elementos faunísticos de interés son la nutria (Lutra lutra), la bermejuela (Achondrostoma arcasii) y la madrilla (Parachondrostoma miegii). Dentro de las especies incluidas en el anexo IV de la Directiva Hábitats destaca la presencia en los bosques de ribera mejor conservados del río Oca del murciélago ratonero bigotudo (Myotis mystacinus).
En cuanto a los hábitats naturales considerados esenciales en el Espacio, destacan las saucedas-choperas arbóreas propias del hábitat 92A0. Resultan de interés, de igual manera, las formaciones azonales presentes en las gargantas del río Oca que albergan comunidades vegetales casmofíticas de interés propias del hábitat 8210.
Este Espacio alberga varias especies de flora amenazadas, protegidas, endémicas o de elevado interés. En el apartado 3.3 (Otras especies importantes de flora y fauna) se han incluido todas aquellas recogidas en los anexos IV o V de la Directiva Hábitats, Convenios internacionales (C) y/o Lista Roja Nacional actual (A) y además se han incluido por el motivo D (Otros) aquellas especies recogidas en la normativa nacional o regional actual de protección de flora, que en este Espacio se concreta a Salicornia ramosissima J. Woods (incluida en la normativa regional de protección de flora). |
4.3 Threats, pressures and activities with impacts on the site
The most important impacts and activities with high effect on the site
Negative Impacts |
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Rank | Threats and pressures [code] | Pollution (optional) [code] | inside/outside [i|o|b] |
---|
H | A01 | | i |
H | A08 | | i |
H | C01.01 | | i |
H | C02 | | i |
H | G05.11 | | i |
H | H01 | | i |
H | I01 | | i |
H | J02.05 | | i |
H | K03.03 | | i |
L | K05 | | i |
Positive Impacts |
---|
Rank | Activities, management [code] | Pollution (optional) [code] | inside/outside [i|o|b] |
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H | G05 | | i |
Rank: H = high, M = medium, L = low
Pollution: N = Nitrogen input, P = Phosphor/Phosphate input, A = Acid input/acidification,
T = toxic inorganic chemicals, O = toxic organic chemicals, X = Mixed pollutions
i = inside, o = outside, b = both
4.4 Ownership (optional)
Type | [%] |
---|
Public | National/Federal | 0 |
State/Province | 0 |
Local/Municipal | 0 |
Any Public | 34.17 |
Joint or Co-Ownership | 0 |
Private | 61.6 |
Unknown | 4.23 |
sum | 100.00000000000001 |
4.5 Documentation (optional)
- Delibes, M. (Ed.). 1990. La Nutria (Lutra lutra) en España. Serie Técnica. ICONA. Ministerio de Agricultura, Pesca y Alimentación.
- Base de datos del convenio entre la Junta de Castilla y León y la Universidad de Salamanca para la elaboración de las "Bases para la protección de la flora vascular amenazada en Castilla y León".2002.(inédito). |
5. SITE PROTECTION STATUS
Back to top5.1 Designation types at national and regional level (optional):
Code
|
Cover [%]
|
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ES00 | 100.00 |
5.2 Relation of the described site with other sites (optional):
Designated at national or regional level:
Type code
|
Site name
|
Type
|
Cover [%]
|
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ES48 | ES0000187 - ZEPA - Montes de Miranda de Ebro y Ameyugo - ZEPA | / | 0.00 |
ES48 | ES0000193 - ZEPA - Sierra de la Tesla-Valdivielso - ZEPA | / | 0.00 |
ES48 | ES4120012 - ZEPA - Sierra de la Demanda - ZEPA | / | 0.00 |
ES48 | ES4120030 - LIC Y ZEPA - Montes Obarenes | / | 0.00 |
ES48 | ES4120036 - ZEPA - Hoces del Alto Ebro y Rudrón - ZEPA | / | 0.00 |
ES48 | ES4120059 - LIC - Riberas del Río Ebro y afluentes | / | 0.00 |
ES48 | ES4120066 - LIC - Riberas del Río Nela y afluentes | / | 0.00 |
ES48 | ES4120072 - LIC - Riberas del Río Arlanzón y afluentes | / | 0.00 |
ES48 | ES4120075 - LIC - Riberas del Río Tirón y afluentes | / | 0.00 |
ES48 | ES4120089 - LIC - Hoces del Alto Ebro y Rudrón | / | 0.00 |
ES48 | ES4120092 - LIC - Sierra de la Demanda | / | 0.00 |
ES48 | ES4120094 - LIC - Sierra de la Tesla-Valdivielso | / | 0.00 |
ES48 | ES4120095 - LIC - Montes de Miranda de Ebro y Ameyugo | / | 0.00 |
5.3 Site designation (optional)
No information provided
6. SITE MANAGEMENT
Back to top6.1 Body(ies) responsible for the site management:
Organisation: | CONSEJERIA DE FOMENTO Y MEDIO AMBIENTE |
Address: | |
Email: | dgmn@jcyl.es |
6.2 Management Plan(s):
An actual management plan does exist:
X |
Yes
|
Name: Plan básico de Gestión y Conservación de la ZEC Riberas del Río Oca y afluentes, aprobado por Orden FYM/775/2015, de 15 de septiembre, por la que se aprueban los Planes Básicos de Gestión y Conservación de la Red Natura 2000 en la Comunidad de Castilla y León
Link: www.jcyl.es/Natura2000
|
| No, but in preparation |
| No |
6.3 Conservation measures (optional)
No information provided
7. MAP OF THE SITE
Back to top
No information provided
SITE DISPLAY