Search Results - "BOTTON, M. L"

Toxicity of cadmium and mercury to horseshoe crab (Limulus polyphemus) embryos and larvae by BOTTON, M. L

“…Short-term and continuous exposures were used to evaluate the toxicity of mercury and cadmium to horseshoe crab Limulus polyphemus embryos and larvae. Nominal…”
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Developmental abnormalities in horseshoe crab embryos caused by exposure to heavy metals by ITOW, T, LOVELAND, R. E, BOTTON, M. L

“…We examined the effects of heavy metals on the development of horseshoe crabs using bioassays in which embryos at different stages were exposed either…”
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Site Selection by Migratory Shorebirds in Delaware Bay, and Its Relationship to Beach Characteristics and Abundance of Horseshoe Crab (Limulus polyphemus) Eggs by Botton, Mark L., Loveland, Robert E., Jacobsen, Timothy R.

“…The distribution of migratory shorebirds within Delaware Bay, New Jersey, was examined relative to prey abundance and the physical characteristics of the…”
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Effects of copper and zinc on embryos and larvae of the horseshoe crab, Limulus polyphemus by BOTTON, M. L, JOHNSON, K, HELLEBY, L

“…We investigated the short-term and long-term effects of copper and zinc on horseshoe crab (Limulus polyphemus) embryos and first instar larvae from two…”
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Heavy metals inhibit limb regeneration in horseshoe crab larvae by ITOW, T, IGARASHI, T, BOTTON, M. L, LOVELAND, R. E

“…We studied the effects of heavy metals on the regeneration of walking legs in horseshoe crabs (Limulus polyphemus). The second walking leg was amputated in…”
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Reproductive risk: high mortality associated with spawning by horseshoe crabs (Limulus polyphemus) in Delaware Bay, USA by BOTTON, M. L, LOVELAND, R. E

“…It has been presumed that intertidal spawning by Limulus polyphemus minimizes the loss of eggs to subtidal predators; however, this strategy involves…”
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Beach erosion and geochemical factors: influence on spawning success of horseshoe crabs (Limulus polyphemus) in Delaware Bay by BOTTON, M. L, LOVELAND, R. E, JACOBSEN, T. R

“…Horseshoe crab spawning activity is spatially patchy within the Delaware Estuary. This study investigated the importance of geochemical and erosional factors…”
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High Tolerance to Tributyltin in Embryos and Larvae of the Horseshoe Crab, Limulus polyphemus by Botton, Mark L., Hodge, Melanie, Gonzalez, Tino I.

“…The effects of acute and chronic exposure to tributyltin (TBT) were examined in bioassays using horseshoe crab (Limulus polyphemus) embryos and "trilobite"…”
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Overwintering by trilobite larvae of the horseshoe crab Limulus polyphemus on a sandy beach of Delaware Bay (New Jersey, USA) by Botton, Mark L., Loveland, Robert E., Jacobsen, Timothy R.

“…Trilobite larvae of the horseshoe crab Limulus polyphemus L. develop from eggs deposited within intertidal sediments. Most of these larvae emerge from…”
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Body size, morphological constraints, and mated pair formation in four populations of horseshoe crabs (Limulus polyphemus) along a geographic cline by BOTTON, M. L, LOVELAND, R. E

“…The findings of a study to assess the generality of previous research findings by examining four populations of Limulus polyphemus that differ in body size and…”
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Abundance and Dispersal Potential of Horseshoe Crab (Limulus polyphemus) Larvae in the Delaware Estuary by Botton, Mark L., Loveland, Robert E.

“…The distribution, abundance, and dispersal patterns of horseshoe crab (Limulus polyphemus) trilobite larvae were determined from 671 plankton tows taken near a…”
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Diet and food preferences of the adult horseshoe crab Limulus polyphemus in Delaware Bay, New Jersey, USA by BOTTON, M. L

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Distribution, abundance, and survivorship of young-of-the-year in a commercially exploited population of horseshoe crabs Limulus polyphemus by BOTTON, Mark L, LOVELAND, Robert E, TIWARI, Athena

“…Horseshoe crab Limulus polyphemus eggs are laid on sandy estuarine beaches, and subsequently develop into first instar (trilobite) larvae that emerge into the…”
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A Contribution to the Population Biology of Horseshoe Crabs, Limulus polyphemus (L.), in Delaware Bay by Shuster, Carl N., Botton, Mark L.

“…The 1977 peak population of spawning horsehoe crabs, Limulus polyphemus, in Delaware Bay, was comprised of about 222,000 males and 51,000 females. This…”
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Eye and clasper damage influence male mating tactics in the horseshoe crab, Limulus polyphemus by DUFFY, Erin E, PENN, Dustin J, BOTTON, Mark L, BROCKMANN, H. Jane, LOVELAND, Robert E

“…In the horseshoe crab mating system, mated pairs are frequently accompanied by unattached satellite males as they spawn on intertidal beaches. Previous studies…”
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Horseshoe Crab (Limulns polyphemus) Reproductive Activity on Delaware Bay Beaches: Interactions with Beach Characteristics by Smith, David R., Pooler, Penelope S., Loveland, Robert E., Botton, Mark L., Michels, Stewart F., Richard G. Weber, Carter, David B.

“…We used results from a survey of horseshoe crab reproductive activity that was conducted in 1999 throughout Delaware Bay to examine the relationship between…”
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Orientation of the Horseshoe Crab, Limulus polyphemus, on a Sandy Beach by Botton, Mark L., Loveland, Robert E.

“…Adult horseshoe crabs (Limulus polyphemus) spawn on sandy intertidal beaches and then return toward the water. Field experiments demonstrated that beach slope…”
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Assessment of sampling methods to estimate horseshoe crab egg density in Delaware Bay by Pooler, Penelope S, Smith, David R, Loveland, Robert E, Botton, Mark L, Michels, Stewart F

“…Each spring horseshoe crabs (Limulus polyphemus L.) emerge from Delaware Bay to spawn and deposit their eggs on the foreshore of sandy beaches . From mid-May…”
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Predation by Herring Gulls and Great Black-Backed Gulls on Horseshoe Crabs by Botton, Mark L., Loveland, Robert E.

“…We now report observations which demonstrate that Herring and Great Black-backed gulls attack live adult horseshoe crabs, and we discuss patterns of attack…”
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Populations of horseshoe crabs, Limulus polyphemus , on the northwestern Atlantic continental shelf by Botton, M L, Ropes, J W

“…This report analyzes the distribution and abundance of horseshoe crabs, Limulus polyphemus (L.), on the Middle Atlantic continental shelf, based on Northeast…”
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