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Article ; Online: Effects of nutrient enrichment on freshwater macrophyte and invertebrate abundance: A meta-analysis.

Neijnens, Floris K / Moreira, Hadassa / de Jonge, Melinda M J / Linssen, Bart B H P / Huijbregts, Mark A J / Geerling, Gertjan W / Schipper, Aafke M

Global change biology

2024 Volume 30, Issue 1, Page(s) e17094

Abstract: External nutrient loading can cause large changes in freshwater ecosystems. Many local field and laboratory experiments have investigated ecological responses to nutrient addition. However, these findings are difficult to generalize, as the responses ... ...

Abstract	External nutrient loading can cause large changes in freshwater ecosystems. Many local field and laboratory experiments have investigated ecological responses to nutrient addition. However, these findings are difficult to generalize, as the responses observed may depend on the local context and the resulting nutrient concentrations in the receiving water bodies. In this research, we combined and analysed data from 131 experimental studies containing 3054 treatment-control abundance ratios to assess the responses of freshwater taxa along a gradient of elevated nutrient concentrations. We carried out a systematic literature search in order to identify studies that report the abundance of invertebrate, macrophyte, and fish taxa in relation to the addition of nitrogen, phosphorus, or both. Next, we established mixed-effect meta-regression models to relate the biotic responses to the concentration gradients of both nutrients. We quantified the responses based on various abundance-based metrics. We found no responses to the mere addition of nutrients, apart from an overall increase of total invertebrate abundance. However, when we considered the gradients of N and P enrichment, we found responses to both nutrients for all abundance metrics. Abundance tended to increase at low levels of N enrichment, yet decreased at the high end of the concentration gradient (1-10 mg/L, depending on the P concentration). Responses to increasing P concentrations were mostly positive. For fish, we found too few data to perform a meaningful analysis. The results of our research highlight the need to consider the level of nutrient enrichment rather than the mere addition of nutrients in order to better understand broad-scale responses of freshwater biota to eutrophication, as a key step to identify effective conservation strategies for freshwater ecosystems.
MeSH term(s)	Animals ; Ecosystem ; Invertebrates ; Fresh Water ; Biota ; Fishes ; Nutrients/analysis ; Phosphorus/analysis ; Nitrogen/analysis ; Eutrophication
Chemical Substances	Phosphorus (27YLU75U4W) ; Nitrogen (N762921K75)
Language	English
Publishing date	2024-01-25
Publishing country	England
Document type	Meta-Analysis ; Journal Article
ZDB-ID	1281439-8
ISSN	1365-2486 ; 1354-1013
ISSN (online)	1365-2486
ISSN	1354-1013
DOI	10.1111/gcb.17094
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Article ; Online: Mapping domestic water use to quantify water-demand and water-related contaminant exposure in a peri-urban community, Indonesia.

Utami, Rosetyati R / Geerling, Gertjan W / Salami, Indah R S / Notodarmojo, Suprihanto / Ragas, Ad M J

International journal of environmental health research

2023 Volume 34, Issue 1, Page(s) 625–638

Abstract: Water use of domestic activities was quantified by interviewing 217 people in a peri-urban community near Bandung, Indonesia. Resulting in data on domestic water demand and data needed for exposure modelling of domestic activities: drinking, cooking, ... ...

Abstract	Water use of domestic activities was quantified by interviewing 217 people in a peri-urban community near Bandung, Indonesia. Resulting in data on domestic water demand and data needed for exposure modelling of domestic activities: drinking, cooking, brushing teeth, swimming, bathing, laundry, dishwashing, religious cleansing, washing hands and cleaning food. Average total domestic water usage was 117 l/person/day, topping the WHO guidelines for basic needs (50-100 l/person/day). This water use level is comparable with higher income countries for the same set of activities but 100% higher than water use in an Indonesian traditional rural community. The final dataset provides insight in quantity of water used for domestic activities, as well as the use-frequency, duration and water sources used. These data are scarce for Indonesia and other low-middle income countries but necessary for water demand studies and estimating risks through exposure to pathogens and emerging contaminants in human exposure modelling.
MeSH term(s)	Humans ; Indonesia ; Water ; Water Supply ; Rural Population
Chemical Substances	Water (059QF0KO0R)
Language	English
Publishing date	2023-01-08
Publishing country	England
Document type	Journal Article
ZDB-ID	1104887-6
ISSN	1369-1619 ; 0960-3123
ISSN (online)	1369-1619
ISSN	0960-3123
DOI	10.1080/09603123.2022.2163986
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Article ; Online: Distribution of Culex pipiens life stages across urban green and grey spaces in Leiden, The Netherlands.

Krol, Louie / Langezaal, Melissa / Budidarma, Lisa / Wassenaar, Daan / Didaskalou, Emilie A / Trimbos, Krijn / Dellar, Martha / van Bodegom, Peter M / Geerling, Gertjan W / Schrama, Maarten

Parasites & vectors

2024 Volume 17, Issue 1, Page(s) 37

Abstract: Background: There is an urgent need for cities to become more climate resilient; one of the key strategies is to include more green spaces in the urban environment. Currently, there is a worry that increasing green spaces might increase mosquito ... ...

Abstract	Background: There is an urgent need for cities to become more climate resilient; one of the key strategies is to include more green spaces in the urban environment. Currently, there is a worry that increasing green spaces might increase mosquito nuisance. As such, this study explores a comprehensive understanding of how mosquitoes utilise contrasting grey and green habitats at different life stages and which environmental factors could drive these distributions. Methods: We used a setup of six paired locations, park (green) vs. residential (grey) areas in a single model city (Leiden, The Netherlands), where we sampled the abundances of different mosquito life stages (eggs, larvae, adults) and the local microclimatic conditions. In this study, we focused on Culex pipiens s.l., which is the most common and abundant mosquito species in The Netherlands. Results: Our results show that while Cx. pipiens ovipositioning rates (number of egg rafts) and larval life stages were far more abundant in residential areas, adults were more abundant in parks. These results coincide with differences in the number of suitable larval habitats (higher in residential areas) and differences in microclimatic conditions (more amenable in parks). Conclusions: These findings suggest that Cx. pipiens dispersal may be considerably more important than previously thought, where adult Cx. pipiens seek out the most suitable habitat for survival and breeding success. Our findings can inform more targeted and efficient strategies to mitigate and reduce mosquito nuisance while urban green spaces are increased, which make cities more climate resilient.
MeSH term(s)	Animals ; Netherlands ; Ovum ; Ecosystem ; Cities ; Culex ; Larva
Language	English
Publishing date	2024-01-29
Publishing country	England
Document type	Journal Article
ZDB-ID	2409480-8
ISSN	1756-3305 ; 1756-3305
ISSN (online)	1756-3305
ISSN	1756-3305
DOI	10.1186/s13071-024-06120-z
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Article ; Online: Landscape level associations between birds, mosquitoes and microclimates: possible consequences for disease transmission?

Krol, Louie / Remmerswaal, Laure / Groen, Marvin / van der Beek, Jordy G / Sikkema, Reina S / Dellar, Martha / van Bodegom, Peter M / Geerling, Gertjan W / Schrama, Maarten

Parasites & vectors

2024 Volume 17, Issue 1, Page(s) 156

Abstract: Background: Mosquito-borne diseases are on the rise. While climatic factors have been linked to disease occurrences, they do not explain the non-random spatial distribution in disease outbreaks. Landscape-related factors, such as vegetation structure, ... ...

Abstract	Background: Mosquito-borne diseases are on the rise. While climatic factors have been linked to disease occurrences, they do not explain the non-random spatial distribution in disease outbreaks. Landscape-related factors, such as vegetation structure, likely play a crucial but hitherto unquantified role. Methods: We explored how three critically important factors that are associated with mosquito-borne disease outbreaks: microclimate, mosquito abundance and bird communities, vary at the landscape scale. We compared the co-occurrence of these three factors in two contrasting habitat types (forest versus grassland) across five rural locations in the central part of the Netherlands between June and September 2021. Results: Our results show that forest patches provide a more sheltered microclimate, and a higher overall abundance of birds. When accounting for differences in landscape characteristics, we also observed that the number of mosquitoes was higher in isolated forest patches. Conclusions: Our findings indicate that, at the landscape scale, variation in tree cover coincides with suitable microclimate and high Culex pipiens and bird abundance. Overall, these factors can help understand the non-random spatial distribution of mosquito-borne disease outbreaks.
MeSH term(s)	Animals ; Culicidae ; Microclimate ; Culex ; Birds ; West Nile virus ; West Nile Fever ; Mosquito Vectors
Language	English
Publishing date	2024-03-26
Publishing country	England
Document type	Journal Article
ZDB-ID	2409480-8
ISSN	1756-3305 ; 1756-3305
ISSN (online)	1756-3305
ISSN	1756-3305
DOI	10.1186/s13071-024-06239-z
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Article ; Online: Environmental prioritization of pesticide in the Upper Citarum River Basin, Indonesia, using predicted and measured concentrations.

Utami, Rosetyati R / Geerling, Gertjan W / Salami, Indah R S / Notodarmojo, Suprihanto / Ragas, Ad M J

The Science of the total environment

2020 Volume 738, Page(s) 140130

Abstract: A novel screening method was developed to prioritize aquatic and human health risks of pesticides based on usage data, runoff modelling and effect prediction. An important asset of this new method is that it does not require measured concentration data, ... ...

Abstract	A novel screening method was developed to prioritize aquatic and human health risks of pesticides based on usage data, runoff modelling and effect prediction. An important asset of this new method is that it does not require measured concentration data, which are often unavailable or difficult to obtain in low- and middle-income countries like Indonesia. The method was applied to prioritize 31 agricultural pesticides used in the Upper Citarum River Basin in West Java, Indonesia. Ranking of pesticides based on predicted concentrations generally showed good agreement with ranking based on concentrations measured by passive sampling. The individual pesticide intake through the consumption of river water was predicted to cause negligible human health risks, but substantial aquatic risks (i.e. PEC/PNEC >1) were predicted for profenofos (5.2.E+01), propineb (3.6.E+01), chlorpyrifos (2.6.E+01), carbofuran (1.7.E+01), imidacloprid (9.4.E+00), methomyl (7.6.E+00) and chlorantraniliprole (3.6.E+00). In order to protect the aquatic environment, water managers are advised to take measures to reduce the use and runoff of these pesticides in the UCRB. The screening assessment can be further refined by performing additional effect studies for some pesticides, pesticide mixtures and validation of the predicted water concentrations by targeted measurements.
Language	English
Publishing date	2020-06-12
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2020.140130
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Article: Interactive effects of climate, land use and soil type on

Krol, Louie / Blom, Rody / Dellar, Martha / van der Beek, Jordy G / Stroo, Arjan C J / van Bodegom, Peter M / Geerling, Gertjan W / Koenraadt, Constantianus J M / Schrama, Maarten

One health (Amsterdam, Netherlands)

2023 Volume 17, Page(s) 100589

Abstract: The incidence and risk of mosquito-borne disease outbreaks in Northwestern Europe has increased over the last few decades. Understanding the underlying environmental drivers of mosquito population dynamics helps to adequately assess mosquito-borne ... ...

Abstract	The incidence and risk of mosquito-borne disease outbreaks in Northwestern Europe has increased over the last few decades. Understanding the underlying environmental drivers of mosquito population dynamics helps to adequately assess mosquito-borne disease risk. While previous studies have focussed primarily on the effects of climatic conditions (i.e., temperature and precipitation) and/or local environmental conditions individually, it remains unclear how climatic conditions interact with local environmental factors such as land use and soil type, and how these subsequently affect mosquito abundance. Here, we set out to study the interactive effects of land use, soil type and climatic conditions on the abundance of
Language	English
Publishing date	2023-06-21
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2834831-X
ISSN	2352-7714
ISSN	2352-7714
DOI	10.1016/j.onehlt.2023.100589
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Article ; Online: Pesticide use data for emission modelling

Utami Rosetyati R. / Geerling Gertjan W. / Salami Indah R.S. / Notodarmojo Suprihanto / Ragas Ad M.J.

E3S Web of Conferences, Vol 211, p

A case study on the Upper Citarum River Basin

2020 Volume 03009

Abstract: Information on pesticide use types and pesticide use are needed to estimate pesticide emissions in the surface water. Unfortunately, these data is either limited or even non-exist in most lowand middleincome country like Indonesia. This problem is ... ...

Abstract	Information on pesticide use types and pesticide use are needed to estimate pesticide emissions in the surface water. Unfortunately, these data is either limited or even non-exist in most lowand middleincome country like Indonesia. This problem is considered a missing link in the water monitoring system, especially in the emission estimation model approach. To overcome that problem, a questionnaire survey about pesticide use by the farmer was conducted in the Upper Citarum River Basin (UCRB) agriculture area. The survey result showed that 31 pesticides were used by farmers in UCRB, with pesticide type of insecticide (58%) as the most used by the farmers. Overall, Profenofos and Mancozeb had the widest used in UCRB. For rice crops, as the broadest agriculture area in UCRB, Carbamates and Pyrethroid-based insecticides such as Carbofuran and Deltamethrin were the most frequently mentioned pesticides of the farmers. The variation in application frequency influenced the amount of pesticide use for each crop. In general, the frequency of pesticide application for vegetables was higher (from 7-10 times/ month) than rice and tubers (≤ 1 time/ month).
Keywords	Environmental sciences ; GE1-350
Subject code	550
Language	English
Publishing date	2020-01-01T00:00:00Z
Publisher	EDP Sciences
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Linking plant strategies to environmental processes in floodplains of lowland rivers

Harezlak, Valesca / Augustijn, Denie C.M / Geerling, Gertjan W / Leuven, Rob S.E.W / van Geest, Gerben J

International Association for Hydro-environment Engineering and Research, Asia Pacific Division Journal of hydro-environment research. 2020,

2020

Abstract: The successful use of relations between environmental processes (filters) and either plant traits or plant strategies has boosted ecological research. Various studies identified environmental filters shaping plant species composition. However, this ... ...

Abstract	The successful use of relations between environmental processes (filters) and either plant traits or plant strategies has boosted ecological research. Various studies identified environmental filters shaping plant species composition. However, this approach is scarce in research on vegetation succession in floodplains of heavily modified rivers. Especially in these ecosystems, mechanistic knowledge is needed to understand ecological effects of human interventions and to develop strategies for floodplain rehabilitation. The aim of this study is therefore to explore whether the application of the filter-plant strategy concept reveals a better understanding of environmental drivers for vegetation succession than analyses of just species composition. And if so, could this information support floodplain management? Ten plots (1 m2) with herbaceous vegetation were studied in each of three floodplains along two distributaries of the Rhine River in the Netherlands. For each plot, environmental filters for establishment of plant species were measured (e.g. soil moisture, soil nutrient content and grain size). Data on species composition of vegetation and plant strategies, like life and growth form, were collected. The data were analyzed using the combination of fuzzy clustering and multiple regression trees. Both species composition and plant strategy composition reflected a soil moisture and nutrient gradient, but the filter-plant strategy analyses also revealed the importance of disturbances (excavation and summer inundation) for shaping vegetation composition. The plant strategy composition supplemented species surveys and benefitted understanding species assembling by anthropogenic disturbances. Moreover, application of the filter-plant strategy concept can provide insight in functional diversity, biomass and hydraulic roughness of vegetation and may support decision making on the optimization of floodplain functions.
Keywords	anthropogenic activities ; biomass ; botanical composition ; data analysis ; decision making ; ecological succession ; ecosystems ; environmental impact ; filters ; floodplains ; functional diversity ; nutrient content ; regression analysis ; rivers ; roughness ; soil nutrients ; soil water ; summer ; surveys ; vegetation ; Netherlands ; Rhine River
Language	English
Publishing place	Elsevier B.V.
Document type	Article
Note	Pre-press version
ISSN	1570-6443
DOI	10.1016/j.jher.2020.01.002
Database	NAL-Catalogue (AGRICOLA)

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Book ; Online: Data underlying the publication

Stoffers, Twan / Buijse, A.D. / Geerling, Gertjan W. / Jans, Luc / Schoor, Margriet / Poos, Jan Jaap / Verreth, Johan / Nagelkerke, Leo

"Freshwater fish biodiversity restoration in floodplain rivers requires connectivity and habitat heterogeneity at multiple spatial scales"

2022

Abstract: With a sixth mass extinction looming and freshwater biodiversity declining at unprecedented rates, evaluating ecological efficacy of river restoration efforts is critical in combatting global biodiversity loss. Here, we present a comprehensive study of ... ...

Abstract	With a sixth mass extinction looming and freshwater biodiversity declining at unprecedented rates, evaluating ecological efficacy of river restoration efforts is critical in combatting global biodiversity loss. Here, we present a comprehensive study of the functioning for fishes of 46 river restoration projects in the river Rhine, one of the world's most heavily engineered lowland rivers. Floodplains with permanent, either one- or two-sided lateral connectivity to the main channel, favour total fish abundance, and are essential as nursery areas for riverine fishes. Habitat heterogeneity had a strong positive effect on species richness but was negatively related with fish abundances. However, the effects of environmental variables varied between ecological groups and spatial scales. Surprisingly, richness of critical rheophilic fishes declined with large-scale habitat heterogeneity (~1000 m), while it increased at small scales (~100 m), possibly because of the presence of unfavourable habitats for this ecological group at larger scales. Clearly, there is no one-size-fits-all design for river restoration projects. Whether a river section is free-flowing or impounded dictates the scope and efficacy of restoration projects and, within a river section, multiple complementary restoration projects might be key to mitigate freshwater fish biodiversity loss. An essential element for success is that these projects should retain permanent lateral connection to the main channel.
Keywords	Ecological efficacy ; Floodplain management ; Freshwater fish diversity ; Habitat heterogeneity ; Lateral connectivity ; Nursery function ; River restoration ; Spatial scale
Subject code	333
Publisher	Wageningen University & Research
Publishing country	nl
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Interactive effects of climate, land use and soil type on Culex pipiens/torrentium abundance

Krol, Louie / Blom, Rody / Dellar, Martha / van der Beek, Jordy G. / Stroo, Arjan C.J. / van Bodegom, Peter M. / Geerling, Gertjan W. / Koenraadt, Constantianus J.M. / Schrama, Maarten

One Health

2023 Volume 17

Abstract	The incidence and risk of mosquito-borne disease outbreaks in Northwestern Europe has increased over the last few decades. Understanding the underlying environmental drivers of mosquito population dynamics helps to adequately assess mosquito-borne disease risk. While previous studies have focussed primarily on the effects of climatic conditions (i.e., temperature and precipitation) and/or local environmental conditions individually, it remains unclear how climatic conditions interact with local environmental factors such as land use and soil type, and how these subsequently affect mosquito abundance. Here, we set out to study the interactive effects of land use, soil type and climatic conditions on the abundance of Culex pipiens/torrentium, highly abundant vectors of West Nile virus and Usutu virus. Mosquitoes were sampled at 14 sites throughout the Netherlands. At each site, weekly mosquito collections were carried out between early July and mid-October 2020 and 2021. To assess the effect of the aforementioned environmental factors, we performed a series of generalized linear mixed models and non-parametric statistical tests. Our results show that mosquito abundance and species richness consistently differ among land use- and soil types, with peri-urban areas with peat/clay soils having the highest Cx. pipiens/torrentium abundance and sandy rural areas having the lowest. Furthermore, we observed differences in precipitation-mediated effects on Cx. pipiens/torrentium abundance between (peri-)urban and other land uses and soil types. In contrast, effects of temperature on Cx. pipiens/torrentium abundance remain similar between different land use and soil types. Our study highlights the importance of both land use and soil type in conjunction with climatic conditions for understanding mosquito abundances. Particularly in relation to rainfall events, land use and soil type has a marked effect on mosquito abundance. These findings underscore the importance of local environmental parameters for studies focusing on ...
Keywords	Mosquito surveillance ; Mosquito-borne diseases ; One health ; Usutu virus ; Water management ; West Nile virus
Subject code	910
Language	English
Publishing country	nl
Document type	Article ; Online
ZDB-ID	2834831-X
ISSN	2352-7714
ISSN	2352-7714
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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