Geologic and atmospheric input factors affecting watershed chemistry in upper michigan

Rapp, George; Liukkonen, Barbara W.; Allert, James; Sorensen, John A.; Glass, Gary E.; Loucks, Orie L.

doi:10.1007/bf02449948

Cited by 12 publications

(2 citation statements)

References 13 publications

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“…They concluded that bedrock geology was not an important determinant of water chemistry in their study due to the low weathering rates caused by the PREDICTING EURASIAN WATERMILFOIL PRESENCE Swedish climate. Other studies investigating lakes in the midwest and northeast United States (Newton et al 1987, Rapp et al 1987 have found bedrock and surficial geology to be important factors governing water chemistry, including alkalinity. Local groundwater inputs have also been found important in regulating milfoil growth and distribution (Lillie and Barko 1990).…”

Section: Importance Of Variablesmentioning

confidence: 99%

Predicting the Likelihood of Eurasian Watermilfoil Presence in Lakes, a Macrophyte Monitoring Tool

Buchan

Padilla

2000

Ecological Applications

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In regions with abundant and diverse freshwater resources, it is difficult and costly to survey all lakes at the level required to detect invasive plants. Effective allocation of monitoring resources requires tools that identify waterbodies where exotic species are most likely to invade. We developed and tested models that predict conditions in which Eurasian watermilfoil, Myriophyllum spicatum, is most likely to survive and successfully colonize. We used logistic regression to model the likelihood of M. spicatum presence or absence using a suite of biological, chemical, and physical lake characteristics which are easily obtainable from public databases. We evaluated model fit by the Aikake criterion and model performance by the percentage of misclassification errors as well as the costs associated with acquiring data for variables modeled. Several models fit our data well, misclassifying only 1.3–11.0% of the lakes where M. spicatum was observed, and used relatively inexpensive landscape variables (percent forest cover in a drainage basin, presence and type of public boat launch, and bedrock type) that typically exist as information layers in geographic information systems (GISs) or recreational atlases. We found that the most important factors affecting the presence or absence of M. spicatum were those that influence water quality factors known to impact M. spicatum growth, rather than factors associated with human activity and dispersal potential. In particular, the amount of forest cover in the lake watershed was consistently important and could control the level of dissolved inorganic carbon in lakes, one of the factors known to affect M. spicatum growth rates. Factors such as the number of game fish species and number and types of boat ramps or proximity to roads were generally less important lake characteristics. Our models can be useful tools for developing management strategies to prevent or slow the spread of M. spicatum and aquatic invaders, such as the zebra mussel, that can attach to it and thus be dispersed. Our models also exemplify a general approach for slowing or stopping the spread of other invading species.

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Section: Importance Of Variablesmentioning

confidence: 99%

Predicting the Likelihood of Eurasian Watermilfoil Presence in Lakes, a Macrophyte Monitoring Tool

Buchan

Padilla

2000

Ecological Applications

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“…Other statistical analyses of large regional data sets have shown significant relationships between streamwater chemistry and some complex environmental factors, such as altitude and relief [24,32], catchment size [37], glacial influence [10,27], soil base saturation [5], land use [15] or some combination of these factors [11,12,19,21,22,31,34]. Surprisingly, the primary effect of precipitation amount was not often directly highlighted [16,36].…”

Section: Discussionmentioning

confidence: 99%

Environmental factors influencing streamwater composition on sandstone (Vosges Mountains)

Nedeltcheva¹,

Piedallu²,

Gégout³

et al. 2006

Ann. For. Sci.

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-The influence of sandstone composition, precipitation, vegetation and relief on streamwater composition at base flow was studied in 95 forested catchments located in the sandstone part of the Vosges Mountains (N.E. France). Catchments lie on four main types of sandstone. Information was acquired for each catchment using a geographic information system (GIS) and spatially distributed databases. Sulphate concentration is mainly negatively correlated to the annual rainfall and positively to the relative area covered by conifers in the catchment. Nitrate is positively correlated to altitude. Sodium, Cl and Si concentrations are strongly inter-correlated and negatively related to the annual precipitation and the relative area of the conglomerate layer in the catchment. Calcium, Mg, ANC (Acid Neutralising Capacity) and pH are negatively correlated to precipitation, and positively correlated to the relative area of the sandstone layer containing dolomitic nodules. This study emphasizes the role of annual rainfall amounts in controlling stream chemistry at base flow.streamwater / acidification / spatial analysis / Vosges / sandstone Résumé -Facteurs environnementaux influençant la composition chimique des eaux sur substrats gréseux dans les Vosges. L'influence de la composition chimique des grès, des précipitations, de la végétation et du relief sur la composition chimique des ruisseaux en étiage a été étudiée dans 95 bassins versants des Vosges en utilisant un système d'information géographique (SIG) et des bases de données géo-référencées. La concentration en sulfates est corrélée négativement avec les précipitations moyennes annuelles et positivement avec la surface relative couverte par les résineux dans le bassin. Les nitrates sont positivement corrélés avec l'altitude. Le sodium, le chlorure et la silice sont fortement inter-corrélés et sont négativement liées aux précipitations et à la surface relative du conglomérat dans le bassin. Le calcium, le magnésium, l'ANC et pH sont négativement corrélés aux précipitations, et positivement corrélés avec la surface relative occupée par le grès de Senones, qui contient des nodules dolomitiques. L'étude souligne le rôle des précipitations annuelles sur la composition chimique des eaux en étiage. chimie des eaux / acidification / analyse spatiale / Vosges / grès

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Paleolimnology of McNearney lake: an acidic lake in northern Michigan

et al. 1990

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Geologic and atmospheric input factors affecting watershed chemistry in upper michigan

Cited by 12 publications

References 13 publications

Predicting the Likelihood of Eurasian Watermilfoil Presence in Lakes, a Macrophyte Monitoring Tool

Predicting the Likelihood of Eurasian Watermilfoil Presence in Lakes, a Macrophyte Monitoring Tool

Environmental factors influencing streamwater composition on sandstone (Vosges Mountains)

Paleolimnology of McNearney lake: an acidic lake in northern Michigan

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