Abstract
The relation is discussed between management, hydrology and the resulting vegetational succession during the period between 1975 and 1980 in a characteristic lower course of a Drenthian brook. The hay-making without fertilizer application could eventually lead to a gradient from Caricioncurto nigrae at the valley flank to Magnocaricion adjacent to the brook. These communities are related to mesotrophic mineral-rich groundwater seeping from a deep aquifer, groundwater with a short residence time in the soil with rainwater characteristics, and an intermediate groundwater type. The actual vegetational succession reveals an increase of the nutrient-rich communities of Glyceria maxima and Carex acuta/Carex aquatilis typicum and of the nutrient-poor community of Carex nigra, whereas mesotrophic Magnocaricion communities decreased. This is probably caused by a deep land consolidation ditch adjacent to the nature reserve diverting the base flow. Mineral-rich groundwater, therefore, is replaced by mineral-poor rainwater on the one hand and by nutrient-rich flood water on the other hand. Management practices inside a nature reserve can thus be seriously countered by qualitative hydrological changes outside a reserve even with slightly higher groundwater tables.
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Claims 8
Claim · model-written summary
Hay-making without fertilizer could eventually yield a vegetation gradient from the valley flank to the brook.
- Taxon
- Caricioncurto nigraee0
- Treatment
- hay-making without fertilizer applicatione0
- Outcome
- gradient from Caricioncurto nigrae at the valley flank to Magnocaricion adjacent to the brooke0
Not reportedDirection
Verbatim
e0“The hay-making without fertilizer application could eventually lead to a gradient from Caricioncurto nigrae at the valley flank to Magnocaricion adjacent to the brook.”
Claim · model-written summary
The vegetation communities were related to three groundwater types.
- Taxon
- communitiese0
- Outcome
- related to mesotrophic mineral-rich groundwater seeping from a deep aquifer, groundwater with a short residence time in the soil with rainwater characteristics, and an intermediate groundwater typee0
- Setting
- groundwatere0
Not reportedDirection
Verbatim
e0“These communities are related to mesotrophic mineral-rich groundwater seeping from a deep aquifer, groundwater with a short residence time in the soil with rainwater characteristics, and an intermediate groundwater type.”
Claim · model-written summary
Nutrient-rich Glyceria maxima communities increased.
- Taxon
- Glyceria maxima
Glyceria maximae0 - Outcome
- nutrient-rich communities of Glyceria maximae0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase of the nutrient-rich communities of Glyceria maxima and Carex acuta/Carex aquatilis typicum”
Claim · model-written summary
Nutrient-rich Carex acuta/Carex aquatilis typicum communities increased.
- Taxon
- Carex acuta/Carex aquatilis typicum
Carex acutae0 - Outcome
- nutrient-rich communities of Glyceria maxima and Carex acuta/Carex aquatilis typicume0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase of the nutrient-rich communities of Glyceria maxima and Carex acuta/Carex aquatilis typicum”
Claim · model-written summary
The nutrient-poor Carex nigra community increased.
- Taxon
- Carex nigra
Carex nigrae0 - Outcome
- nutrient-poor community of Carex nigrae0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase of the nutrient-rich communities of Glyceria maxima and Carex acuta/Carex aquatilis typicum and of the nutrient-poor community of Carex nigra”
Claim · model-written summary
Mesotrophic Magnocaricion communities decreased.
Verbatim
e0“mesotrophic Magnocaricion communities decreased”
Claim · model-written summary
The authors suggest a land consolidation ditch diverted base flow and caused the succession.
Verbatim
e0“This is probably caused by a deep land consolidation ditch adjacent to the nature reserve diverting the base flow.”
t0“VEGETATIONAL SUCCESSION”
Claim · model-written summary
The authors conclude that hydrological change outside the reserve can counter management inside it.
Verbatim
e0“Management practices inside a nature reserve can thus be seriously countered by qualitative hydrological changes outside a reserve even with slightly higher groundwater tables.”
t0“VEGETATIONAL SUCCESSION”